Gmc Sierra MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Gmc Sierra model year from 1989 to 2026 — each engine and transmission with its official city, highway and combined figures. Over these years the Sierra 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 2026 (up to 68 MPGe combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Gmc Sierra fuel economy by year
| Year | Combined MPG / MPGe | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2026 | 15–68 | Electric, 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | — | — |
| 2025 | 15–64 | Electric, 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | — | — |
| 2024 | 15–25 | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | — | — |
| 2023 | 15–26 | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | — | — |
| 2022 | 14–26 | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl | — | — |
| 2021 | 14–26 | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl | $39,685 | 6 listings |
| 2020 | 15–26 | 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl | — | — |
| 2019 | 15–21 | 2.7L 4-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl | $36,500 | 5 listings |
| 2018 | 17–20 | 4.3L 6-cyl, 5.3L 8-cyl, 6.2L 8-cyl | — | — |
| 2017 | 17–20 | 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl | — | — |
| 2016 | 17–20 | 5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl | $35,000 | 6 listings |
| 2015 | 17–20 | 4.3L 6-cyl, 5.3L 8-cyl, 6.2L 8-cyl | — | — |
| 2014 | 17–20 | 4.3L 6-cyl, 5.3L 8-cyl, 6.2L 8-cyl | — | — |
| 2013 | 14–21 | 6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2012 | 14–21 | 6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2011 | 14–21 | 6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2010 | 14–22 | 6.0L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2009 | 14–21 | 6.0L 8-cyl, 4.3L 6-cyl, 5.3L 8-cyl, 4.8L 8-cyl, 6.2L 8-cyl | — | — |
| 2008 | 14–17 | 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.0L 8-cyl, 6.2L 8-cyl | — | — |
| 2007 | 14–17 | 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.0L 8-cyl, 6.2L 8-cyl | — | — |
| 2006 | 13–17 | 5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-cyl, 6.0L 8-cyl | — | — |
| 2005 | 9–17 | 4.8L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 6.0L 8-cyl | — | — |
| 2004 | 13–17 | 5.3L 8-cyl, 4.8L 8-cyl, 4.3L 6-cyl, 6.0L 8-cyl | — | — |
| 2003 | 13–16 | 4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 6.0L 8-cyl | — | — |
| 2002 | 12–16 | 4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 6.0L 8-cyl | — | — |
| 2001 | 11–17 | 4.3L 6-cyl, 4.8L 8-cyl, 5.3L 8-cyl, 6.0L 8-cyl | — | — |
| 2000 | 12–18 | 4.3L 6-cyl, 5.3L 8-cyl, 4.8L 8-cyl, 6.0L 8-cyl | — | — |
| 1999 | 12–17 | 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 | 4.3L 6-cyl, 5.0L 8-cyl, 6.5L 8-cyl, 5.7L 8-cyl | — | — |
| 1997 | 13–18 | 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl, 6.5L 8-cyl | — | — |
| 1996 | 13–18 | 4.3L 6-cyl, 6.5L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1995 | 12–19 | 6.5L 8-cyl, 4.3L 6-cyl, 5.7L 8-cyl, 5.0L 8-cyl | — | — |
| 1994 | 12–19 | 6.5L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1993 | 12–18 | 6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1992 | 12–20 | 6.2L 8-cyl, 4.3L 6-cyl, 5.7L 8-cyl, 5.0L 8-cyl | — | — |
| 1991 | 12–20 | 6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1990 | 12–18 | 6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1989 | 12–19 | 6.2L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
2026 Gmc Sierra: engines & MPG
The 2026 Sierra 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 68 MPGe.
| 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: engines & MPG
The 2025 Sierra 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 64 MPGe.
| 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 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 19 | 18 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 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 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 18 | 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 | 19 | 17 MPG |
| Sierra Mud Terrain Tires 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 | 16 MPG |
| Sierra Cab Chassis 2WD | 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 | 15 | 18 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 18 | 16 MPG |
| Sierra Mud Terrain Tires 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 16 | 17 | 16 MPG |
| Sierra 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 | 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: engines & MPG
The 2024 Sierra was EPA-rated in 26 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.
| 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 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 18 MPG |
| Sierra Mud Terrain Tires 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 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 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 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 | 16 MPG |
| Sierra Mud Terrain Tires 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 | 15 | 18 | 16 MPG |
| Sierra 2WD | 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 | 19 | 16 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 15 | 19 | 16 MPG |
| Sierra 4WD AT4X | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 16 | 15 MPG |
| Sierra Cab Chassis 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 | 14 | 17 | 15 MPG |
| Sierra Cab Chassis 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 14 | 17 | 15 MPG |
2023 Gmc Sierra: engines & MPG
The 2023 Sierra was EPA-rated in 24 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.
| 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 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 | 21 | 18 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 18 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 18 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 | 15 | 19 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 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 Mud Terrain Tires 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 18 | 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: engines & MPG
The 2022 Sierra was EPA-rated in 34 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.
| 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 | 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 2WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 16 | 21 | 18 MPG |
| Sierra 4WD | 2.7L 4-cyl | Automatic 8-spd | Regular | 17 | 20 | 18 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 20 | 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 8-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 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 6-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 4WD | 6.2L 8-cyl | Automatic 10-spd | Premium | 14 | 19 | 16 MPG |
| Sierra Cab Chassis 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 15 | 17 | 16 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 10-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 10-spd | Regular | 14 | 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: engines & MPG
The 2021 Sierra was EPA-rated in 36 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 $39,685 on VehiSales (6 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 | 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 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 2WD | 5.3L 8-cyl | Automatic 8-spd | Regular | 15 | 22 | 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: engines & MPG
The 2020 Sierra was EPA-rated in 26 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 15 to 26 MPG.
| 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 | 2.7L 4-cyl | Automatic 8-spd | Regular | 19 | 22 | 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 AT4 | 5.3L 8-cyl | Automatic 10-spd | Regular | 16 | 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 | 22 | 18 MPG |
| Sierra Cab Chassis 2WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 15 | 19 | 17 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 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 4WD AT4 | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 19 | 16 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 4WD | 4.3L 6-cyl | Automatic 6-spd | Regular | 14 | 16 | 15 MPG |
2019 Gmc Sierra: engines & MPG
The 2019 Sierra 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 $36,500 on VehiSales (5 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: engines & MPG
The 2018 Sierra was EPA-rated in 14 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 | 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 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 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: engines & MPG
The 2017 Sierra was EPA-rated in 14 versions (5.3L 8-cyl, 4.3L 6-cyl, 6.2L 8-cyl), with combined economy from 17 to 20 MPG.
| 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 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 K15 4WD | 5.3L 8-cyl | Automatic 6-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: engines & MPG
The 2016 Sierra was EPA-rated in 14 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 $35,000 on VehiSales (6 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 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 6-spd | Regular | 16 | 22 | 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: engines & MPG
The 2015 Sierra was EPA-rated in 14 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 | 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 C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 23 | 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 | 5.3L 8-cyl | Automatic 6-spd | Regular | 16 | 22 | 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 K15 Cab Chassis 4WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 19 | 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 | Regular | 15 | 21 | 17 MPG |
2014 Gmc Sierra: engines & MPG
The 2014 Sierra 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: engines & MPG
The 2013 Sierra 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: engines & MPG
The 2012 Sierra 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: engines & MPG
The 2011 Sierra 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: engines & MPG
The 2010 Sierra 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: engines & MPG
The 2009 Sierra was EPA-rated in 20 versions (6.0L 8-cyl, 4.3L 6-cyl, 5.3L 8-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 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra C15 XFE 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 15 | 21 | 17 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 | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 20 | 16 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 6-spd | Regular | 14 | 20 | 16 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 | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| Sierra C15 2WD | 6.0L 8-cyl | Automatic 6-spd | Regular | 14 | 19 | 16 MPG |
| Sierra C15 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 20 | 16 MPG |
| Sierra K15 4WD | 4.8L 8-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 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 |
2008 Gmc Sierra: engines & MPG
The 2008 Sierra was EPA-rated in 12 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 | 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 | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 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: engines & MPG
The 2007 Sierra was EPA-rated in 27 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 1500 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 14 | 19 | 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 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 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 |
| Sierra K15 4WD | 6.2L 8-cyl | Automatic 6-spd | Premium | 12 | 18 | 14 MPG |
2006 Gmc Sierra: engines & MPG
The 2006 Sierra was EPA-rated in 17 versions (5.3L 8-cyl, 4.3L 6-cyl, 4.8L 8-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 1500 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 15 | 19 | 17 MPG |
| Sierra 1500 2WD | 5.3L 8-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 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 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 18 | 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 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 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: engines & MPG
The 2005 Sierra was EPA-rated in 19 versions (4.8L 8-cyl, 5.3L 8-cyl, 4.3L 6-cyl, 6.0L 8-cyl), with combined economy from 9 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 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 | 5.3L 8-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 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 14 | 20 | 16 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 16 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 4-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 | 6.0L 8-cyl | Automatic 4-spd | Premium | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 18 | 15 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.8L 8-cyl | Manual 5-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 4WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| Sierra 1500 AWD | 6.0L 8-cyl | Automatic 4-spd | Regular | 12 | 15 | 13 MPG |
| Sierra 2500 Hd 2WD | 6.0L 8-cyl | Automatic 4-spd | Regular | 10 | 12 | 11 MPG |
| Sierra 2500 HD 2WD CNG | 6.0L 8-cyl | Automatic 4-spd | Natural Gas | 8 | 11 | 9 MPG |
| Sierra 2500 HD 4WD CNG | 6.0L 8-cyl | Automatic 4-spd | Natural Gas | 8 | 11 | 9 MPG |
2004 Gmc Sierra: engines & MPG
The 2004 Sierra 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: engines & MPG
The 2003 Sierra 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: engines & MPG
The 2002 Sierra 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 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 2WD | 5.3L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 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: engines & MPG
The 2001 Sierra 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: engines & MPG
The 2000 Sierra 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: engines & MPG
The 1999 Sierra 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: engines & MPG
The 1998 Sierra 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: engines & MPG
The 1997 Sierra 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: engines & MPG
The 1996 Sierra 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: engines & MPG
The 1995 Sierra was EPA-rated in 45 versions (6.5L 8-cyl, 4.3L 6-cyl, 5.7L 8-cyl, 5.0L 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 | 6.5L 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 | 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 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 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 | Automatic 4-spd | Regular | 15 | 20 | 16 MPG |
| Sierra 2500 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 1500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 14 | 19 | 16 MPG |
| Sierra 2500 2WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 20 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 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 | Automatic 4-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 1500 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 2500 4WD | 6.5L 8-cyl | Manual 5-spd | Diesel | 14 | 17 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| Sierra 2500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 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 | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 4WD | 6.5L 8-cyl | Automatic 4-spd | Diesel | 13 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 13 | 17 | 14 MPG |
| Sierra 2500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| Sierra 2500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 2500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 17 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 13 MPG |
| Sierra 1500 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 | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 2500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 2500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 2500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 14 | 12 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 |
1994 Gmc Sierra: engines & MPG
The 1994 Sierra was EPA-rated in 44 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 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: engines & MPG
The 1993 Sierra 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: engines & MPG
The 1992 Sierra was EPA-rated in 20 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 |
| 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 |
| 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 |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 5-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 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 |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 13 | 19 | 15 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 | 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 16 | 13 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 | 11 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 14 | 12 MPG |
1991 Gmc Sierra: engines & MPG
The 1991 Sierra was EPA-rated in 27 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 |
| 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 |
| Sierra 2500 4WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 17 | 21 | 18 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 2WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 20 | 17 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 5-spd | Diesel | 16 | 20 | 17 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 16 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 19 | 16 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 15 | 17 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 18 | 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 | 5.7L 8-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
| Sierra 1500 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 |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 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 |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 15 | 13 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 12 | 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 |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
1990 Gmc Sierra: engines & MPG
The 1990 Sierra was EPA-rated in 23 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 | 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 5-spd | Regular | 16 | 22 | 18 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 16 | 19 | 17 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Manual 4-spd | Regular | 16 | 19 | 17 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 15 | 17 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 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 2WD | 5.0L 8-cyl | Manual 5-spd | Regular | 14 | 19 | 15 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 14 | 16 | 15 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-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 3-spd | Regular | 14 | 15 | 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 | 12 | 17 | 14 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 MPG |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 12 | 14 | 13 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 |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
| Sierra 1500 2WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
1989 Gmc Sierra: engines & MPG
The 1989 Sierra was EPA-rated in 24 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 |
|---|---|---|---|---|---|---|
| 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 |
| Sierra 1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 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 | Manual 4-spd | Regular | 16 | 20 | 17 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 | 15 | 19 | 16 MPG |
| Sierra 1500 4WD | 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 19 | 16 MPG |
| Sierra 1500 4WD | 6.2L 8-cyl | Manual 4-spd | Diesel | 16 | 17 | 16 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 19 | 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 | 17 | 15 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 | 13 | 19 | 15 MPG |
| Sierra 1500 2WD | 4.3L 6-cyl | Automatic 3-spd | Regular | 15 | 16 | 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 |
| Sierra 1500 4WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 16 | 14 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 13 MPG |
| Sierra 1500 4WD | 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 MPG |
| Sierra 1500 2WD | 5.0L 8-cyl | Automatic 3-spd | Regular | 13 | 14 | 13 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 |
Frequently asked questions
What MPG does a Gmc Sierra get?
Depending on year and engine, EPA combined economy for the Sierra ranges from 9 to 68 MPGe. The most efficient rated version is the 2026 model year.
What engines does the 2026 Gmc Sierra have?
The 2026 Sierra was EPA-rated with Electric, 3.0L 6-cyl, 2.7L 4-cyl, 5.3L 8-cyl, 6.2L 8-cyl — see the 2026 table above for each version's exact city/highway figures.
Does the Gmc Sierra require premium gas?
Some versions do: EPA lists electricity and diesel and regular and premium and natural gas depending on year and engine — check your year's table above.
Is there a hybrid or electric Sierra?
Yes — the ratings above include hybrid and electric (shown in MPGe) versions; look for them in the per-year tables.
How to cite: “VehiSales Research, Gmc Sierra EPA Fuel
Economy by Model Year” with a link to
https://vehisales.com/research/fuel-economy/gmc/sierra.
Underlying ratings are public-domain EPA/DOE data from fueleconomy.gov.
See also: Gmc Sierra hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].
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