GMC Sierra 2500Hd MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated GMC Sierra 2500Hd model year from 1989 to 2026 — each engine and transmission with its official city, highway and combined figures. Over these years the Sierra 2500Hd has been offered with Electric, 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl, 4.3L 6-cyl powertrains; the most efficient version is the 2025 (up to 26 MPG combined). Electric versions are shown in MPGe — a different unit, listed separately from gas MPG. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
GMC Sierra 2500Hd fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2026 | 15–25 MPG · 64–68 MPGe | Electric, 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | $77,090 | 40 listings |
| 2025 | 15–26 MPG · 64 MPGe | Electric, 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | $75,292 | 606 listings |
| 2024 | 15–25 MPG | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | $69,984 | 179 listings |
| 2023 | 15–26 MPG | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | $57,800 | 428 listings |
| 2022 | 14–26 MPG | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | $54,888 | 555 listings |
| 2021 | 14–26 MPG | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl | $53,506 | 123 listings |
| 2020 | 15–26 MPG | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl, 4.3L 6-cyl | $48,873 | 152 listings |
| 2019 | 15–21 MPG | 2.7L 4-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl | $41,998 | 190 listings |
| 2018 | 17–20 MPG | 4.3L 6-cyl, 5.3L 8-cyl, 6.2L 8-cyl | $40,990 | 82 listings |
| 2017 | 17–20 MPG | 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl | $34,922 | 48 listings |
| 2016 | 17–20 MPG | 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl | $33,782 | 140 listings |
| 2015 | 17–20 MPG | 4.3L 6-cyl, 5.3L 8-cyl, 6.2L 8-cyl | $29,775 | 101 listings |
| 2014 | 17–20 MPG | 4.3L 6-cyl, 5.3L 8-cyl, 6.2L 8-cyl | — | — |
| 2013 | 14–21 MPG | 6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2012 | 14–21 MPG | 6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2011 | 14–21 MPG | 6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2010 | 14–22 MPG | 6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2009 | 14–21 MPG | 6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2008 | 14–17 MPG | 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.0L 8-cyl, 6.2L 8-cyl | — | — |
| 2007 | 14–17 MPG | 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.0L 8-cyl, 6.2L 8-cyl | — | — |
| 2006 | 13–17 MPG | 4.8L 8-cyl, 4.3L 6-cyl, 5.3L 8-cyl, 6.0L 8-cyl | — | — |
| 2005 | 9–11 MPG | 6.0L 8-cyl | — | — |
| 2004 | 13–17 MPG | 5.3L 8-cyl, 4.8L 8-cyl, 4.3L 6-cyl, 6.0L 8-cyl | — | — |
| 2003 | 13–16 MPG | 4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 6.0L 8-cyl | — | — |
| 2002 | 12–16 MPG | 4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 6.0L 8-cyl | — | — |
| 2001 | 11–17 MPG | 4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 6.0L 8-cyl | — | — |
| 2000 | 12–18 MPG | 4.3L 6-cyl, 5.3L 8-cyl, 4.8L 8-cyl, 6.0L 8-cyl | — | — |
| 1999 | 12–17 MPG | 4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl, 6.0L 8-cyl | — | — |
| 1998 | 13–18 MPG | 4.3L 6-cyl, 5.0L 8-cyl, 6.5L 8-cyl, 5.7L 8-cyl | — | — |
| 1997 | 13–18 MPG | 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl, 6.5L 8-cyl | — | — |
| 1996 | 13–18 MPG | 4.3L 6-cyl, 6.5L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1995 | 12–19 MPG | 6.5L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1994 | 12–19 MPG | 6.5L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1993 | 12–18 MPG | 6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1992 | 12–20 MPG | 6.2L 8-cyl, 4.3L 6-cyl, 5.7L 8-cyl, 5.0L 8-cyl | — | — |
| 1991 | 12–20 MPG | 6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1990 | 12–18 MPG | 4.3L 6-cyl, 6.2L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1989 | 12–19 MPG | 6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
2026 GMC Sierra 2500Hd: engines & MPG
The 2026 Sierra 2500Hd was EPA-rated in 25 versions (Electric, 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl), with combined economy from 15 to 25 MPG; electric versions rated 64–68 MPGe. Used 2026 models currently list for a median of $77,090 on VehiSales (40 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra EV 20-mod battery, 11kW 15-mode charger | Electric | Automatic (A1) | Electricity | 75 | 61 | 68 MPGe · 410 mi range |
| Sierra EV 14-mod battery, 11kW 15-mode charger | Electric | Automatic (A1) | Electricity | 74 | 60 | 67 MPGe · 283 mi range |
| Sierra EV 20-mod battery, 19kW 15-mode charger | Electric | Automatic (A1) | Electricity | 69 | 59 | 64 MPGe · 385 mi range |
| Sierra 2WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 23 | 28 | 25 MPG |
| Sierra 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 22 | 26 | 24 MPG |
| Sierra Mud Terrain Tires 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 21 | 24 | 23 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 18 | 21 | 20 MPG |
| Sierra 2WD with Sport Mode | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 21 | 19 MPG |
| Sierra 4WD AT4X | 3.0L 6-cyl | Automatic 10-spd | Diesel | 19 | 20 | 19 MPG |
| Sierra 2WD with Sport Mode | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 20 | 18 MPG |
| Sierra Mud Terrain Tires 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 16 | 17 | 17 MPG |
| Sierra Mud Terrain Tires 4WD (Flex Fuel) | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 4WD with Sport Mode | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 18 | 17 MPG |
| Sierra 4WD (Flex Fuel) | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 4WD with Sport Mode | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 14 | 17 | 16 MPG |
| Sierra Mud Terrain Tires 4WD (Sport Mode) | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 19 | 16 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 17 | 15 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 14 | 16 | 15 MPG |
| Sierra 4WD AT4X | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 16 | 15 MPG |
2025 GMC Sierra 2500Hd: engines & MPG
The 2025 Sierra 2500Hd was EPA-rated in 22 versions (Electric, 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl), with combined economy from 15 to 26 MPG; electric version rated at 64 MPGe. Used 2025 models currently list for a median of $75,292 on VehiSales (606 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra EV | Electric | Automatic (A1) | Electricity | 70 | 59 | 64 MPGe · 390 mi range |
| Sierra 2WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 23 | 29 | 26 MPG |
| Sierra 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 22 | 26 | 24 MPG |
| Sierra Mud Terrain Tires 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 21 | 24 | 23 MPG |
| Sierra 4WD AT4X | 3.0L 6-cyl | Automatic 10-spd | Diesel | 19 | 20 | 19 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 18 | 21 | 19 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 21 | 19 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 19 | 18 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 17 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 18 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 16 | 17 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 19 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 16 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 14 | 16 | 15 MPG |
| Sierra 4WD AT4X | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 16 | 15 MPG |
| Sierra Mud Terrain Tires 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 17 | 15 MPG |
2024 GMC Sierra 2500Hd: engines & MPG
The 2024 Sierra 2500Hd was EPA-rated in 23 versions (3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl), with combined economy from 15 to 25 MPG. Used 2024 models currently list for a median of $69,984 on VehiSales (179 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 2WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 23 | 29 | 25 MPG |
| Sierra 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 23 | 27 | 24 MPG |
| Sierra Mud Terrain Tires 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 21 | 23 | 22 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 18 | 22 | 20 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 21 | 19 MPG |
| Sierra 4WD AT4X | 3.0L 6-cyl | Automatic 10-spd | Diesel | 19 | 20 | 19 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 18 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 20 | 18 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 18 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 19 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 16 | 17 | 16 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 17 | 15 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 4WD AT4X | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 16 | 15 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 14 | 17 | 15 MPG |
2023 GMC Sierra 2500Hd: engines & MPG
The 2023 Sierra 2500Hd was EPA-rated in 19 versions (3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl), with combined economy from 15 to 26 MPG. Used 2023 models currently list for a median of $57,800 on VehiSales (428 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 2WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 24 | 29 | 26 MPG |
| Sierra 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 22 | 27 | 24 MPG |
| Sierra Mud Terrain Tires 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 21 | 23 | 22 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 19 | 21 | 20 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 19 | 22 | 20 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 18 | 20 | 19 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 18 MPG |
| Sierra Mud Terrain Tires 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 18 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 19 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 17 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 17 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 MPG |
| Sierra 4WD AT4X | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 17 | 15 MPG |
| Sierra Mud Terrain Tires 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 17 | 15 MPG |
2022 GMC Sierra 2500Hd: engines & MPG
The 2022 Sierra 2500Hd was EPA-rated in 28 versions (3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl), with combined economy from 14 to 26 MPG. Used 2022 models currently list for a median of $54,888 on VehiSales (555 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 2WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 23 | 30 | 26 MPG |
| Sierra 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 22 | 26 | 24 MPG |
| Sierra Mud Terrain Tires 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 20 | 23 | 21 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 19 | 22 | 20 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 20 | 18 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 20 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 15 | 20 | 17 MPG |
| Sierra Mud Terrain Tires 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 16 | 18 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 17 MPG |
| Sierra Mud Terrain Tires 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 18 | 16 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 18 | 16 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 17 | 16 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 19 | 16 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 16 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 14 | 17 | 15 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 14 | 17 | 15 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 13 | 17 | 15 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 13 | 17 | 15 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 16 | 15 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 14 | 18 | 15 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 14 | 17 | 15 MPG |
| Sierra Mud Terrain Tires 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 13 | 17 | 14 MPG |
2021 GMC Sierra 2500Hd: engines & MPG
The 2021 Sierra 2500Hd was EPA-rated in 35 versions (3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl), with combined economy from 14 to 26 MPG. Used 2021 models currently list for a median of $53,506 on VehiSales (123 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 2WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 23 | 30 | 26 MPG |
| Sierra 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 22 | 26 | 24 MPG |
| Sierra 4WD AT4 | 3.0L 6-cyl | Automatic 10-spd | Diesel | 22 | 26 | 24 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 20 | 23 | 21 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 17 | 23 | 19 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 18 | 20 | 19 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 22 | 19 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 18 | 21 | 19 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 21 | 18 MPG |
| Sierra 4WD AT4 | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 4WD AT4 | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 15 | 22 | 17 MPG |
| Sierra 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 16 | 21 | 17 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 16 | 20 | 17 MPG |
| Sierra Cab Chassis 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 4WD AT4 | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 21 | 17 MPG |
| Sierra 4WD AT4 | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 19 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 21 | 16 MPG |
| Sierra 4WD AT4 | 5.3L 8-cyl | Automatic 8-spd | Regular | 14 | 20 | 16 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 20 | 16 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 20 | 16 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 14 | 20 | 16 MPG |
| Sierra 4WD AT4 | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 4WD AT4 | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 19 | 16 MPG |
| Sierra Cab Chassis 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 14 | 16 | 15 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 18 | 15 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 17 | 15 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 13 | 18 | 14 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 13 | 17 | 14 MPG |
2020 GMC Sierra 2500Hd: engines & MPG
The 2020 Sierra 2500Hd was EPA-rated in 25 versions (3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl, 4.3L 6-cyl), with combined economy from 15 to 26 MPG. Used 2020 models currently list for a median of $48,873 on VehiSales (152 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 2WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 23 | 30 | 26 MPG |
| Sierra 4WD | 3.0L 6-cyl | Automatic 10-spd | Diesel | 22 | 26 | 24 MPG |
| Sierra 4WD AT4 | 3.0L 6-cyl | Automatic 10-spd | Diesel | 22 | 26 | 24 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 20 | 23 | 21 MPG |
| Sierra 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 19 | 22 | 20 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 19 | 22 | 20 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 17 | 24 | 20 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 22 | 19 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 17 | 23 | 19 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 22 | 18 MPG |
| Sierra 4WD AT4 | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 4WD AT4 | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 20 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 16 | 21 | 17 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra 4WD AT4 | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 19 | 17 MPG |
| Sierra Cab Chassis 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 4WD AT4 | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 19 | 16 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 17 | 15 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 18 | 15 MPG |
| Sierra Cab Chassis 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 14 | 16 | 15 MPG |
2019 GMC Sierra 2500Hd: engines & MPG
The 2019 Sierra 2500Hd was EPA-rated in 22 versions (2.7L 4-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl), with combined economy from 15 to 21 MPG. Used 2019 models currently list for a median of $41,998 on VehiSales (190 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra C10 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 20 | 23 | 21 MPG |
| Sierra C10 2WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 19 | 22 | 20 MPG |
| Sierra K10 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 19 | 22 | 20 MPG |
| Sierra C10 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 17 | 23 | 19 MPG |
| Sierra C10 XFE 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 17 | 24 | 19 MPG |
| Sierra K10 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 18 | 20 | 19 MPG |
| Sierra C10 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C10 Cab Chassis 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 15 | 19 | 17 MPG |
| Sierra K10 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 20 | 17 MPG |
| Sierra K10 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra K10 4WD AT4 | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 19 | 17 MPG |
| Sierra LTD K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra K10 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C10 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C10 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 16 | 21 | 17 MPG |
| Sierra LTD C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 22 | 17 MPG |
| Sierra K10 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra K10 4WD AT4 | 5.3L 8-cyl | Automatic 8-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C10 Cab Chassis 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 19 | 16 MPG |
| Sierra K10 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 16 MPG |
| Sierra K10 Cab Chassis 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 17 | 15 MPG |
| Sierra K10 Cab Chassis 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 14 | 17 | 15 MPG |
2018 GMC Sierra 2500Hd: engines & MPG
The 2018 Sierra 2500Hd was EPA-rated in 12 versions (4.3L 6-cyl, 5.3L 8-cyl, 6.2L 8-cyl), with combined economy from 17 to 20 MPG. Used 2018 models currently list for a median of $40,990 on VehiSales (82 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 18 | 24 | 20 MPG |
| Sierra 15 Hybrid 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 18 | 24 | 20 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 17 | 22 | 19 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 23 | 19 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 22 | 18 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 22 | 18 MPG |
| Sierra 15 Hybrid 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 21 | 18 MPG |
| Sierra K15 Cab Chassis 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 17 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 15 | 20 | 17 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 8-spd | Premium | 15 | 20 | 17 MPG |
| Sierra C15 Cab Chassis 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 8-spd | Premium | 15 | 21 | 17 MPG |
2017 GMC Sierra 2500Hd: engines & MPG
The 2017 Sierra 2500Hd was EPA-rated in 12 versions (5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl), with combined economy from 17 to 20 MPG. Used 2017 models currently list for a median of $34,922 on VehiSales (48 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 15 Hybrid 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 18 | 24 | 20 MPG |
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 18 | 24 | 20 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 23 | 19 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 17 | 22 | 19 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 22 | 18 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 22 | 18 MPG |
| Sierra 15 Hybrid 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 21 | 18 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 8-spd | Regular | 15 | 21 | 17 MPG |
| Sierra K15 Cab Chassis 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 17 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 8-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C15 Cab Chassis 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
2016 GMC Sierra 2500Hd: engines & MPG
The 2016 Sierra 2500Hd was EPA-rated in 12 versions (5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl), with combined economy from 17 to 20 MPG. Used 2016 models currently list for a median of $33,782 on VehiSales (140 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 15 Hybrid 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 18 | 24 | 20 MPG |
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 18 | 23 | 20 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 23 | 19 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 17 | 22 | 19 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 22 | 18 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 22 | 18 MPG |
| Sierra 15 Hybrid 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 21 | 18 MPG |
| Sierra K15 Cab Chassis 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 17 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 8-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 8-spd | Regular | 15 | 21 | 17 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 Cab Chassis 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
2015 GMC Sierra 2500Hd: engines & MPG
The 2015 Sierra 2500Hd was EPA-rated in 10 versions (4.3L 6-cyl, 5.3L 8-cyl, 6.2L 8-cyl), with combined economy from 17 to 20 MPG. Used 2015 models currently list for a median of $29,775 on VehiSales (101 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 18 | 24 | 20 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 23 | 19 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 17 | 22 | 19 MPG |
| Sierra K15 Cab Chassis 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 16 | 20 | 18 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 22 | 18 MPG |
| Sierra C15 Cab Chassis 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 16 | 21 | 18 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 8-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 Cab Chassis 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra K15 Cab Chassis 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 17 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 8-spd | Regular | 15 | 21 | 17 MPG |
2014 GMC Sierra 2500Hd: engines & MPG
The 2014 Sierra 2500Hd was EPA-rated in 6 versions (4.3L 6-cyl, 5.3L 8-cyl, 6.2L 8-cyl), with combined economy from 17 to 20 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 18 | 23 | 20 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 17 | 22 | 19 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 23 | 19 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 22 | 18 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 14 | 20 | 17 MPG |
2013 GMC Sierra 2500Hd: engines & MPG
The 2013 Sierra 2500Hd was EPA-rated in 12 versions (6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl), with combined economy from 14 to 21 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 15 Hybrid 4WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 20 | 23 | 21 MPG |
| Sierra 15 Hybrid 2WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 20 | 23 | 21 MPG |
| Sierra C15 XFE 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 22 | 18 MPG |
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra K15 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 18 | 14 MPG |
| Sierra K15 AWD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 18 | 14 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 13 | 18 | 14 MPG |
2012 GMC Sierra 2500Hd: engines & MPG
The 2012 Sierra 2500Hd was EPA-rated in 12 versions (6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl), with combined economy from 14 to 21 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 15 Hybrid 2WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 20 | 23 | 21 MPG |
| Sierra 15 Hybrid 4WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 20 | 23 | 21 MPG |
| Sierra C15 XFE 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 22 | 18 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra K15 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra K15 AWD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 18 | 14 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 18 | 14 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 13 | 18 | 14 MPG |
2011 GMC Sierra 2500Hd: engines & MPG
The 2011 Sierra 2500Hd was EPA-rated in 12 versions (6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl), with combined economy from 14 to 21 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 15 Hybrid 2WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 20 | 23 | 21 MPG |
| Sierra 15 Hybrid 4WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 20 | 23 | 21 MPG |
| Sierra C15 XFE 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 22 | 18 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C15 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra K15 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 18 | 14 MPG |
| Sierra K15 AWD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 18 | 14 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 18 | 14 MPG |
2010 GMC Sierra 2500Hd: engines & MPG
The 2010 Sierra 2500Hd was EPA-rated in 12 versions (6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl), with combined economy from 14 to 22 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 15 Hybrid 2WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 21 | 22 | 22 MPG |
| Sierra 15 Hybrid 4WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 21 | 22 | 21 MPG |
| Sierra C15 XFE 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 22 | 18 MPG |
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra K15 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 13 | 19 | 15 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 19 | 14 MPG |
| Sierra K15 AWD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 19 | 14 MPG |
2009 GMC Sierra 2500Hd: engines & MPG
The 2009 Sierra 2500Hd was EPA-rated in 16 versions (6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl), with combined economy from 14 to 21 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 15 Hybrid 2WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 21 | 22 | 21 MPG |
| Sierra 15 Hybrid 4WD | 6.0L 8-cyl | Automatic (variable gear ratios) | Regular | 20 | 20 | 20 MPG |
| Sierra C15 XFE 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 MPG |
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
| Sierra C15 2WD | 6.0L 8-cyl | Automatic 6-spd | Regular | 14 | 19 | 16 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra C15 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 20 | 16 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 20 | 16 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra K15 4WD | 6.0L 8-cyl | Automatic 6-spd | Regular | 13 | 18 | 15 MPG |
| Sierra K15 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 13 | 19 | 15 MPG |
| Sierra K15 AWD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 19 | 14 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 6-spd | Regular | 12 | 19 | 14 MPG |
2008 GMC Sierra 2500Hd: engines & MPG
The 2008 Sierra 2500Hd was EPA-rated in 10 versions (5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.0L 8-cyl, 6.2L 8-cyl), with combined economy from 14 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C15 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra K15 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra C15 2WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 6-spd | Premium | 12 | 19 | 15 MPG |
| Sierra K15 AWD | 6.2L 8-cyl | Automatic 6-spd | Premium | 12 | 18 | 14 MPG |
| Sierra K15 4WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
2007 GMC Sierra 2500Hd: engines & MPG
The 2007 Sierra 2500Hd was EPA-rated in 25 versions (5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.0L 8-cyl, 6.2L 8-cyl), with combined economy from 14 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra Classic 15 Hybrid 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 16 | 19 | 17 MPG |
| Sierra Classic 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 21 | 17 MPG |
| Sierra Classic 1500 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 15 | 19 | 17 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C15 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 19 | 17 MPG |
| Sierra C15 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
| Sierra Classic 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
| Sierra Classic 15 Hybrid 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 15 | 18 | 16 MPG |
| Sierra K15 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra Classic 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra K15 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra Classic 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra Classic 1500 2WD | 6.0L 8-cyl | Automatic 4-spd | Premium | 13 | 17 | 15 MPG |
| Sierra Classic 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra Classic 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 19 | 15 MPG |
| Sierra Classic 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra C15 2WD | 6.2L 8-cyl | Automatic 6-spd | Premium | 12 | 19 | 15 MPG |
| Sierra K15 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra C15 2WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra K15 4WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 6-spd | Premium | 12 | 18 | 14 MPG |
| Sierra Classic 1500 AWD | 6.0L 8-cyl | Automatic 4-spd | Premium | 13 | 16 | 14 MPG |
| Sierra Classic 1500 4WD | 6.0L 8-cyl | Automatic 4-spd | Premium | 13 | 16 | 14 MPG |
2006 GMC Sierra 2500Hd: engines & MPG
The 2006 Sierra 2500Hd was EPA-rated in 16 versions (4.8L 8-cyl, 4.3L 6-cyl, 5.3L 8-cyl, 6.0L 8-cyl), with combined economy from 13 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 15 Hybrid 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 16 | 19 | 17 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 20 | 16 MPG |
| Sierra 15 Hybrid 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 15 | 18 | 16 MPG |
| Sierra 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 2WD | 6.0L 8-cyl | Automatic 4-spd | Premium | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 6.0L 8-cyl | Automatic 4-spd | Premium | 13 | 16 | 14 MPG |
| Sierra 1500 AWD | 6.0L 8-cyl | Automatic 4-spd | Premium | 12 | 16 | 13 MPG |
2005 GMC Sierra 2500Hd: engines & MPG
The 2005 Sierra 2500Hd was EPA-rated in 3 versions (6.0L 8-cyl), with combined economy from 9 to 11 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 2500 Hd 2WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 10 | 12 | 11 MPG |
| Sierra 2500 HD 4WD CNG | 6.0L 8-cyl | Automatic 4-spd | Natural Gas | 8 | 11 | 9 MPG |
| Sierra 2500 HD 2WD CNG | 6.0L 8-cyl | Automatic 4-spd | Natural Gas | 8 | 11 | 9 MPG |
2004 GMC Sierra 2500Hd: engines & MPG
The 2004 Sierra 2500Hd was EPA-rated in 16 versions (5.3L 8-cyl, 4.8L 8-cyl, 4.3L 6-cyl, 6.0L 8-cyl), with combined economy from 13 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 15 Hybrid 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 16 | 19 | 17 MPG |
| Sierra 15 Hybrid 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 15 | 17 | 16 MPG |
| Sierra 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 2WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Manual 5-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 AWD | 6.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 13 MPG |
2003 GMC Sierra 2500Hd: engines & MPG
The 2003 Sierra 2500Hd was EPA-rated in 13 versions (4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 6.0L 8-cyl), with combined economy from 13 to 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Manual 5-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra Denali 1500 AWD | 6.0L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
2002 GMC Sierra 2500Hd: engines & MPG
The 2002 Sierra 2500Hd was EPA-rated in 12 versions (4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 6.0L 8-cyl), with combined economy from 12 to 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra Denali 1500 AWD | 6.0L 8-cyl | Automatic 4-spd | Regular | 11 | 14 | 12 MPG |
2001 GMC Sierra 2500Hd: engines & MPG
The 2001 Sierra 2500Hd was EPA-rated in 11 versions (4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 6.0L 8-cyl), with combined economy from 11 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Manual 5-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 10 | 13 | 11 MPG |
2000 GMC Sierra 2500Hd: engines & MPG
The 2000 Sierra 2500Hd was EPA-rated in 12 versions (4.3L 6-cyl, 5.3L 8-cyl, 4.8L 8-cyl, 6.0L 8-cyl), with combined economy from 12 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 21 | 18 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 16 | 15 MPG |
| Sierra 2500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 2500 2WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
1999 GMC Sierra 2500Hd: engines & MPG
The 1999 Sierra 2500Hd was EPA-rated in 16 versions (4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl, 6.0L 8-cyl), with combined economy from 12 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 21 | 17 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 2500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 2500 2WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
1998 GMC Sierra 2500Hd: engines & MPG
The 1998 Sierra 2500Hd was EPA-rated in 18 versions (4.3L 6-cyl, 5.0L 8-cyl, 6.5L 8-cyl, 5.7L 8-cyl), with combined economy from 13 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 2500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 13 | 17 | 15 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 13 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 18 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 18 | 14 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 13 MPG |
1997 GMC Sierra 2500Hd: engines & MPG
The 1997 Sierra 2500Hd was EPA-rated in 18 versions (4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl, 6.5L 8-cyl), with combined economy from 13 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 21 | 18 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 2500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 15 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 11 | 17 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 17 | 13 MPG |
1996 GMC Sierra 2500Hd: engines & MPG
The 1996 Sierra 2500Hd was EPA-rated in 19 versions (4.3L 6-cyl, 6.5L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 13 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 2500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 15 | 18 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 15 | 19 | 16 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
1995 GMC Sierra 2500Hd: engines & MPG
The 1995 Sierra 2500Hd was EPA-rated in 42 versions (6.5L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 12 to 19 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 2500 2WD | 6.5L 8-cyl | Manual 5-spd | Diesel | 17 | 22 | 19 MPG |
| Sierra 1500 2WD | 6.5L 8-cyl | Manual 5-spd | Diesel | 17 | 22 | 19 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 2500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 2500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 2500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 16 MPG |
| Sierra 1500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 19 | 16 MPG |
| Sierra 2500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 18 | 16 MPG |
| Sierra 2500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 19 | 16 MPG |
| Sierra 2500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 6.5L 8-cyl | Manual 5-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 2500 4WD | 6.5L 8-cyl | Manual 5-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 2500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 16 | 15 MPG |
| Sierra 2500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 13 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 2500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 2500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 13 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 17 | 13 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 14 | 12 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 12 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 14 | 12 MPG |
1994 GMC Sierra 2500Hd: engines & MPG
The 1994 Sierra 2500Hd was EPA-rated in 43 versions (6.5L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 12 to 19 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 6.5L 8-cyl | Manual 5-spd | Diesel | 17 | 22 | 19 MPG |
| Sierra 2500 2WD | 6.5L 8-cyl | Manual 5-spd | Diesel | 17 | 22 | 19 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 1500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 15 | 21 | 17 MPG |
| Sierra 2500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 6.5L 8-cyl | Manual 5-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 1500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 18 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 18 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 20 | 16 MPG |
| Sierra 2500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 15 | 18 | 16 MPG |
| Sierra 2500 4WD | 6.5L 8-cyl | Manual 5-spd | Diesel | 15 | 19 | 16 MPG |
| Sierra 2500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 15 | 19 | 16 MPG |
| Sierra 2500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 16 MPG |
| Sierra 2500 2WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 2500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 2500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 18 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 2500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 2500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 2500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 17 | 13 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 13 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 14 | 12 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 14 | 12 MPG |
1993 GMC Sierra 2500Hd: engines & MPG
The 1993 Sierra 2500Hd was EPA-rated in 41 versions (6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 12 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 16 | 21 | 18 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 16 | 19 | 17 MPG |
| Sierra 2500 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 2500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 16 | 20 | 17 MPG |
| Sierra 2500 4WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 16 | 19 | 17 MPG |
| Sierra 2500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 2500 2WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 16 | 20 | 17 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 2500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 20 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 2500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 20 | 16 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 2500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 2500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 2500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 2500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 14 | 12 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 14 | 12 MPG |
1992 GMC Sierra 2500Hd: engines & MPG
The 1992 Sierra 2500Hd was EPA-rated in 39 versions (6.2L 8-cyl, 4.3L 6-cyl, 5.7L 8-cyl, 5.0L 8-cyl), with combined economy from 12 to 20 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 18 | 23 | 20 MPG |
| C2500 Sierra 2WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 17 | 22 | 19 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 16 | 20 | 18 MPG |
| Sierra 1500 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 16 | 22 | 18 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 16 | 21 | 18 MPG |
| K2500 Sierra 4WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 17 | 21 | 18 MPG |
| C2500 Sierra 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 22 | 18 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| K2500 Sierra 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 16 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 16 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 18 | 16 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 13 | 19 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 15 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 17 | 15 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 13 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 12 | 16 | 13 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 13 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 14 | 12 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 14 | 12 MPG |
1991 GMC Sierra 2500Hd: engines & MPG
The 1991 Sierra 2500Hd was EPA-rated in 52 versions (6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 12 to 20 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Sierra 1500 2WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 18 | 23 | 20 MPG |
| C2500 Sierra 2WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 17 | 22 | 19 MPG |
| Sierra 2500 4WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 17 | 21 | 18 MPG |
| Sierra 1500 2WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 17 | 19 | 18 MPG |
| Sierra 1500 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 16 | 22 | 18 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 21 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 4-spd | Regular | 16 | 19 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 21 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 16 | 20 | 17 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Manual 4-spd | Regular | 15 | 18 | 17 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 17 MPG |
| C2500 Sierra 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| C2500 Sierra 2WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 17 | 19 | 17 MPG |
| K2500 Sierra 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 15 | 17 | 16 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 19 | 16 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 18 | 16 MPG |
| K2500 Sierra 4WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 15 | 17 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 18 | 16 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 16 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 17 | 16 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Manual 4-spd | Regular | 14 | 16 | 15 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 4-spd | Regular | 14 | 16 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 18 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 12 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 12 | 14 | 13 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 12 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
1990 GMC Sierra 2500Hd: engines & MPG
The 1990 Sierra 2500Hd was EPA-rated in 46 versions (4.3L 6-cyl, 6.2L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 12 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| C2500 Sierra 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 22 | 18 MPG |
| Sierra 1500 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 16 | 22 | 18 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 16 | 22 | 18 MPG |
| Sierra 1500 2WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 17 | 20 | 18 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 4-spd | Regular | 16 | 19 | 17 MPG |
| C2500 Sierra 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| C2500 Sierra 2WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 16 | 18 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 16 | 19 | 17 MPG |
| K2500 Sierra 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 18 | 16 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 MPG |
| K2500 Sierra 4WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 15 | 17 | 16 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 15 | 17 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 14 | 16 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 18 | 15 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 4-spd | Regular | 14 | 16 | 15 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Manual 4-spd | Regular | 14 | 17 | 15 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 15 | 16 | 15 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Manual 4-spd | Regular | 14 | 16 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 14 | 15 | 14 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 14 | 15 | 14 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 13 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 12 | 14 | 13 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 13 | 14 | 13 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 17 | 13 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 11 | 13 | 12 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
1989 GMC Sierra 2500Hd: engines & MPG
The 1989 Sierra 2500Hd was EPA-rated in 48 versions (6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 12 to 19 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| C2500 Sierra 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 16 | 23 | 19 MPG |
| Sierra 1500 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 17 | 23 | 19 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 22 | 18 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 22 | 18 MPG |
| K2500 Sierra 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 4-spd | Regular | 16 | 20 | 17 MPG |
| Sierra 1500 2WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 16 | 18 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 19 | 16 MPG |
| C2500 Sierra 2WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 16 | 17 | 16 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 19 | 16 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 16 | 17 | 16 MPG |
| K2500 Sierra 4WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 15 | 17 | 16 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Manual 4-spd | Regular | 14 | 17 | 15 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 13 | 19 | 15 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 14 | 16 | 15 MPG |
| K2500 Sierra 4WD | 4.3L 6-cyl | Manual 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 15 | 16 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 13 | 19 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 14 | 16 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 4-spd | Regular | 14 | 17 | 15 MPG |
| C2500 Sierra 2WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 15 | 16 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 19 | 15 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 18 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 12 | 15 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| C2500 Sierra 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 17 | 13 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 13 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 13 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 13 | 14 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| K2500 Sierra 4WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 11 | 13 | 12 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 11 | 13 | 12 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
| C2500 Sierra 2WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 12 | 12 | 12 MPG |
| K2500 Sierra 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
Frequently asked questions
What MPG does a GMC Sierra 2500Hd get?
Depending on year and engine, EPA combined ratings for the Sierra 2500Hd range from 11 to 26 MPG. The most efficient rated version is the 2025 model year.
What powertrains does the 2026 GMC Sierra 2500Hd have?
The 2026 Sierra 2500Hd was EPA-rated with Electric, 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl powertrains — see the 2026 table above for each version's exact city/highway figures.
Does the GMC Sierra 2500Hd require premium gas?
Some versions do: EPA lists diesel and regular gasoline and premium gasoline and natural gas depending on year and engine — check your year's table above.
Is there a hybrid or electric Sierra 2500Hd?
Yes — the ratings above include hybrid and electric (shown in MPGe) versions; look for them in the per-year tables.
About this data: EPA ratings from the official U.S. DOE/EPA dataset
(fueleconomy.gov), as of July 2026;
refreshed monthly. Market prices and listing counts are live medians from
VehiSales inventory, updated daily.
How to cite: “VehiSales Research, GMC Sierra 2500Hd EPA Fuel
Economy by Model Year” with a link to
https://vehisales.com/research/fuel-economy/gmc/sierra-2500hd.
See also: GMC Sierra 2500Hd hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].
© 2026 VehiSales · Data from live US vehicle listings ·
Methodology ·
Editorial policy ·
About ·
Press: cite as “VehiSales Used Car Price Index” with a link to this page.