GMC Suburban MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated GMC Suburban model year from 1984 to 1999 — each engine and transmission with its official city, highway and combined figures. Over these years the Suburban has been offered with 5.7L 8-cyl, 6.2L 8-cyl, 5.0L 8-cyl engines; the most efficient version is the 1987 (up to 18 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
GMC Suburban fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 1999 | 14 MPG | 5.7L 8-cyl | — | — |
| 1998 | 14 MPG | 5.7L 8-cyl | — | — |
| 1997 | 12–14 MPG | 5.7L 8-cyl | — | — |
| 1996 | 13–14 MPG | 5.7L 8-cyl | — | — |
| 1995 | 12–13 MPG | 5.7L 8-cyl | — | — |
| 1994 | 13 MPG | 5.7L 8-cyl | — | — |
| 1993 | 12–13 MPG | 5.7L 8-cyl | — | — |
| 1992 | 12–13 MPG | 5.7L 8-cyl | — | — |
| 1991 | 12–16 MPG | 6.2L 8-cyl, 5.7L 8-cyl | — | — |
| 1990 | 12–16 MPG | 6.2L 8-cyl, 5.7L 8-cyl | — | — |
| 1989 | 12–16 MPG | 6.2L 8-cyl, 5.7L 8-cyl | — | — |
| 1988 | 11–17 MPG | 6.2L 8-cyl, 5.7L 8-cyl | — | — |
| 1987 | 11–18 MPG | 6.2L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1986 | 11–18 MPG | 6.2L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1985 | 11–18 MPG | 6.2L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl | — | — |
| 1984 | 11–18 MPG | 6.2L 8-cyl, 5.7L 8-cyl, 5.0L 8-cyl | — | — |
1999 GMC Suburban: engines & MPG
The 1999 Suburban was EPA-rated in 1 version (5.7L 8-cyl), with combined economy of 14 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
1998 GMC Suburban: engines & MPG
The 1998 Suburban was EPA-rated in 1 version (5.7L 8-cyl), with combined economy of 14 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
1997 GMC Suburban: engines & MPG
The 1997 Suburban was EPA-rated in 2 versions (5.7L 8-cyl), with combined economy from 12 to 14 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Suburban 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
1996 GMC Suburban: engines & MPG
The 1996 Suburban was EPA-rated in 2 versions (5.7L 8-cyl), with combined economy from 13 to 14 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| Suburban 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
1995 GMC Suburban: engines & MPG
The 1995 Suburban was EPA-rated in 2 versions (5.7L 8-cyl), with combined economy from 12 to 13 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 13 MPG |
| Suburban 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 14 | 12 MPG |
1994 GMC Suburban: engines & MPG
The 1994 Suburban was EPA-rated in 2 versions (5.7L 8-cyl), with combined economy of 13 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 14 | 13 MPG |
| Suburban 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
1993 GMC Suburban: engines & MPG
The 1993 Suburban was EPA-rated in 2 versions (5.7L 8-cyl), with combined economy from 12 to 13 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| Suburban 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
1992 GMC Suburban: engines & MPG
The 1992 Suburban was EPA-rated in 2 versions (5.7L 8-cyl), with combined economy from 12 to 13 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban 1500 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| Suburban 1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
1991 GMC Suburban: engines & MPG
The 1991 Suburban was EPA-rated in 2 versions (6.2L 8-cyl, 5.7L 8-cyl), with combined economy from 12 to 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban V1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 14 | 20 | 16 MPG |
| Suburban V1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
1990 GMC Suburban: engines & MPG
The 1990 Suburban was EPA-rated in 3 versions (6.2L 8-cyl, 5.7L 8-cyl), with combined economy from 12 to 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban V1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 14 | 19 | 16 MPG |
| Suburban V1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| Suburban V1500 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
1989 GMC Suburban: engines & MPG
The 1989 Suburban was EPA-rated in 3 versions (6.2L 8-cyl, 5.7L 8-cyl), with combined economy from 12 to 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Suburban V1500 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 MPG |
| Suburban V1500 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 MPG |
| Suburban V1500 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
1988 GMC Suburban: engines & MPG
The 1988 Suburban was EPA-rated in 5 versions (6.2L 8-cyl, 5.7L 8-cyl), with combined economy from 11 to 17 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| R15 Suburban 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 21 | 17 MPG |
| V15 Suburban 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 MPG |
| R15 Suburban 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 17 | 13 MPG |
| V15 Suburban 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| V15 Suburban 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 11 MPG |
1987 GMC Suburban: engines & MPG
The 1987 Suburban was EPA-rated in 7 versions (6.2L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 11 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| R15 Suburban 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 16 | 21 | 18 MPG |
| V15 Suburban 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 14 | 20 | 16 MPG |
| V15 Suburban 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 MPG |
| R15 Suburban 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 17 | 14 MPG |
| V15 Suburban 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| R15 Suburban 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| V15 Suburban 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 11 MPG |
1986 GMC Suburban: engines & MPG
The 1986 Suburban was EPA-rated in 8 versions (6.2L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 11 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| C15 Suburban 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 16 | 22 | 18 MPG |
| K15 Suburban 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 MPG |
| C15 Suburban 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| C15 Suburban 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| C15 Suburban 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| K15 Suburban 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
| K15 Suburban 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 10 | 15 | 12 MPG |
| K15 Suburban 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 10 | 12 | 11 MPG |
1985 GMC Suburban: engines & MPG
The 1985 Suburban was EPA-rated in 9 versions (6.2L 8-cyl, 5.0L 8-cyl, 5.7L 8-cyl), with combined economy from 11 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| C15 Suburban 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 22 | 18 MPG |
| K15 Suburban 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 14 | 19 | 16 MPG |
| K15 Suburban 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 MPG |
| C15 Suburban 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 14 MPG |
| C15 Suburban 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 16 | 13 MPG |
| K15 Suburban 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 14 | 12 MPG |
| K15 Suburban 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
| C15 Suburban 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 12 MPG |
| K15 Suburban 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 10 | 13 | 11 MPG |
1984 GMC Suburban: engines & MPG
The 1984 Suburban was EPA-rated in 7 versions (6.2L 8-cyl, 5.7L 8-cyl, 5.0L 8-cyl), with combined economy from 11 to 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| C15 Suburban 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 16 | 22 | 18 MPG |
| C15 Suburban 2WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 19 | 17 MPG |
| K15 Suburban 4WD | 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 MPG |
| C15 Suburban 2WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 15 | 13 MPG |
| C15 Suburban 2WD | 5.0L 8-cyl | Automatic 4-spd | Regular | 12 | 15 | 13 MPG |
| K15 Suburban 4WD | 5.7L 8-cyl | Automatic 4-spd | Regular | 11 | 14 | 12 MPG |
| K15 Suburban 4WD | 5.7L 8-cyl | Manual 4-spd | Regular | 10 | 12 | 11 MPG |
Frequently asked questions
What MPG does a GMC Suburban get?
Depending on year and engine, EPA combined ratings for the Suburban range from 13 to 18 MPG. The most efficient rated version is the 1987 model year.
What engines does the 1999 GMC Suburban have?
The 1999 Suburban was EPA-rated with 5.7L 8-cyl engines — see the 1999 table above for each version's exact city/highway figures.
Does the GMC Suburban require premium gas?
No — rated versions run on regular gasoline or diesel.
https://vehisales.com/research/fuel-economy/gmc/suburban.
Fuel economy of other models
GMC Acadia MPG by year · GMC Terrain MPG by year · GMC Yukon MPG by year · GMC Yukon XL MPG by year · GMC Canyon MPG by year
See also: GMC Suburban hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].