GMC Terrain MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated GMC Terrain model year from 2010 to 2027 — each engine and transmission with its official city, highway and combined figures. Over these years the Terrain has been offered with 1.5L 4-cyl, 2.0L 4-cyl, 1.6L 4-cyl, 2.4L 4-cyl, 3.6L 6-cyl, 3.0L 6-cyl engines; the most efficient version is the 2019 (up to 32 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

GMC Terrain fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2027 25–26 MPG 1.5L 4-cyl
2026 25–27 MPG 1.5L 4-cyl $38,485 5,212 listings
2025 25–27 MPG 1.5L 4-cyl $27,155 145 listings
2024 25–26 MPG 1.5L 4-cyl $22,991 644 listings
2023 26 MPG 1.5L 4-cyl $23,495 211 listings
2022 26–27 MPG 1.5L 4-cyl $21,998 930 listings
2021 26–27 MPG 1.5L 4-cyl $18,894 124 listings
2020 23–27 MPG 1.5L 4-cyl, 2.0L 4-cyl $18,316 416 listings
2019 23–32 MPG 1.6L 4-cyl, 1.5L 4-cyl, 2.0L 4-cyl $16,095 252 listings
2018 23–32 MPG 1.6L 4-cyl, 1.5L 4-cyl, 2.0L 4-cyl $14,998 413 listings
2017 18–25 MPG 2.4L 4-cyl, 3.6L 6-cyl $12,750 175 listings
2016 18–26 MPG 2.4L 4-cyl, 3.6L 6-cyl $10,999 127 listings
2015 19–26 MPG 2.4L 4-cyl, 3.6L 6-cyl $8,464 156 listings
2014 19–26 MPG 2.4L 4-cyl, 3.6L 6-cyl
2013 19–26 MPG 2.4L 4-cyl, 3.6L 6-cyl
2012 19–26 MPG 2.4L 4-cyl, 3.0L 6-cyl
2011 19–26 MPG 2.4L 4-cyl, 3.0L 6-cyl
2010 20–26 MPG 2.4L 4-cyl, 3.0L 6-cyl

2027 GMC Terrain: engines & MPG

The 2027 Terrain was EPA-rated in 3 versions (1.5L 4-cyl), with combined economy from 25 to 26 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 1.5L 4-cyl Automatic 8-spd Regular 25 28 26 MPG
Terrain AWD 1.5L 4-cyl Automatic 8-spd Regular 24 28 25 MPG
Terrain AWD 5 Mode 1.5L 4-cyl Automatic 8-spd Regular 24 26 25 MPG

2026 GMC Terrain: engines & MPG

The 2026 Terrain was EPA-rated in 3 versions (1.5L 4-cyl), with combined economy from 25 to 27 MPG. Used 2026 models currently list for a median of $38,485 on VehiSales (5,212 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 1.5L 4-cyl Automatic (variable gear ratios) Regular 26 28 27 MPG
Terrain AWD 1.5L 4-cyl Automatic 8-spd Regular 24 28 25 MPG
Terrain AWD Denali/AT4 1.5L 4-cyl Automatic 8-spd Regular 24 26 25 MPG

2025 GMC Terrain: engines & MPG

The 2025 Terrain was EPA-rated in 2 versions (1.5L 4-cyl), with combined economy from 25 to 27 MPG. Used 2025 models currently list for a median of $27,155 on VehiSales (145 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 1.5L 4-cyl Automatic (variable gear ratios) Regular 26 28 27 MPG
Terrain AWD 1.5L 4-cyl Automatic 8-spd Regular 24 28 25 MPG

2024 GMC Terrain: engines & MPG

The 2024 Terrain was EPA-rated in 2 versions (1.5L 4-cyl), with combined economy from 25 to 26 MPG. Used 2024 models currently list for a median of $22,991 on VehiSales (644 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 1.5L 4-cyl Automatic 9-spd Regular 24 29 26 MPG
Terrain AWD 1.5L 4-cyl Automatic 9-spd Regular 23 28 25 MPG

2023 GMC Terrain: engines & MPG

The 2023 Terrain was EPA-rated in 2 versions (1.5L 4-cyl), with combined economy of 26 MPG. Used 2023 models currently list for a median of $23,495 on VehiSales (211 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain AWD 1.5L 4-cyl Automatic 9-spd Regular 24 28 26 MPG
Terrain FWD 1.5L 4-cyl Automatic 9-spd Regular 24 29 26 MPG

2022 GMC Terrain: engines & MPG

The 2022 Terrain was EPA-rated in 2 versions (1.5L 4-cyl), with combined economy from 26 to 27 MPG. Used 2022 models currently list for a median of $21,998 on VehiSales (930 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 1.5L 4-cyl Automatic 9-spd Regular 25 30 27 MPG
Terrain AWD 1.5L 4-cyl Automatic 9-spd Regular 25 28 26 MPG

2021 GMC Terrain: engines & MPG

The 2021 Terrain was EPA-rated in 2 versions (1.5L 4-cyl), with combined economy from 26 to 27 MPG. Used 2021 models currently list for a median of $18,894 on VehiSales (124 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 1.5L 4-cyl Automatic 9-spd Regular 25 30 27 MPG
Terrain AWD 1.5L 4-cyl Automatic 9-spd Regular 25 28 26 MPG

2020 GMC Terrain: engines & MPG

The 2020 Terrain was EPA-rated in 4 versions (1.5L 4-cyl, 2.0L 4-cyl), with combined economy from 23 to 27 MPG. Used 2020 models currently list for a median of $18,316 on VehiSales (416 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 1.5L 4-cyl Automatic 9-spd Regular 26 30 27 MPG
Terrain AWD 1.5L 4-cyl Automatic 9-spd Regular 25 28 26 MPG
Terrain FWD 2.0L 4-cyl Automatic 9-spd Premium 22 28 24 MPG
Terrain AWD 2.0L 4-cyl Automatic 9-spd Premium 21 26 23 MPG

2019 GMC Terrain: engines & MPG

The 2019 Terrain was EPA-rated in 6 versions (1.6L 4-cyl, 1.5L 4-cyl, 2.0L 4-cyl), with combined economy from 23 to 32 MPG. Used 2019 models currently list for a median of $16,095 on VehiSales (252 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain AWD 1.6L 4-cyl Automatic 6-spd Diesel 28 38 32 MPG
Terrain FWD 1.6L 4-cyl Automatic 6-spd Diesel 28 39 32 MPG
Terrain FWD 1.5L 4-cyl Automatic 9-spd Regular 26 30 28 MPG
Terrain AWD 1.5L 4-cyl Automatic 9-spd Regular 24 28 26 MPG
Terrain FWD 2.0L 4-cyl Automatic 9-spd Premium 22 28 24 MPG
Terrain AWD 2.0L 4-cyl Automatic 9-spd Premium 21 26 23 MPG

2018 GMC Terrain: engines & MPG

The 2018 Terrain was EPA-rated in 6 versions (1.6L 4-cyl, 1.5L 4-cyl, 2.0L 4-cyl), with combined economy from 23 to 32 MPG. Used 2018 models currently list for a median of $14,998 on VehiSales (413 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 1.6L 4-cyl Automatic 6-spd Diesel 28 39 32 MPG
Terrain AWD 1.6L 4-cyl Automatic 6-spd Diesel 28 38 32 MPG
Terrain FWD 1.5L 4-cyl Automatic 9-spd Regular 26 30 28 MPG
Terrain AWD 1.5L 4-cyl Automatic 9-spd Regular 24 28 26 MPG
Terrain FWD 2.0L 4-cyl Automatic 9-spd Premium 22 28 24 MPG
Terrain AWD 2.0L 4-cyl Automatic 9-spd Premium 21 26 23 MPG

2017 GMC Terrain: engines & MPG

The 2017 Terrain was EPA-rated in 4 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 18 to 25 MPG. Used 2017 models currently list for a median of $12,750 on VehiSales (175 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 2.4L 4-cyl Automatic 6-spd Regular 21 31 25 MPG
Terrain AWD 2.4L 4-cyl Automatic 6-spd Regular 20 28 23 MPG
Terrain FWD 3.6L 6-cyl Automatic 6-spd Regular 17 24 20 MPG
Terrain AWD 3.6L 6-cyl Automatic 6-spd Regular 16 23 18 MPG

2016 GMC Terrain: engines & MPG

The 2016 Terrain was EPA-rated in 4 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 18 to 26 MPG. Used 2016 models currently list for a median of $10,999 on VehiSales (127 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 2.4L 4-cyl Automatic 6-spd Regular 22 31 26 MPG
Terrain AWD 2.4L 4-cyl Automatic 6-spd Regular 20 28 23 MPG
Terrain FWD 3.6L 6-cyl Automatic 6-spd Regular 17 24 20 MPG
Terrain AWD 3.6L 6-cyl Automatic 6-spd Regular 16 23 18 MPG

2015 GMC Terrain: engines & MPG

The 2015 Terrain was EPA-rated in 4 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 19 to 26 MPG. Used 2015 models currently list for a median of $8,464 on VehiSales (156 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 2.4L 4-cyl Automatic 6-spd Regular 22 31 26 MPG
Terrain AWD 2.4L 4-cyl Automatic 6-spd Regular 20 28 23 MPG
Terrain AWD 3.6L 6-cyl Automatic 6-spd Regular 16 23 19 MPG
Terrain FWD 3.6L 6-cyl Automatic 6-spd Regular 17 24 19 MPG

2014 GMC Terrain: engines & MPG

The 2014 Terrain was EPA-rated in 5 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 19 to 26 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 2.4L 4-cyl Automatic 6-spd Regular 22 31 26 MPG
Terrain AWD 2.4L 4-cyl Automatic 6-spd Regular 20 28 23 MPG
Terrain FWD 3.6L 6-cyl Automatic 6-spd Regular 17 24 20 MPG
Terrain AWD 3.6L 6-cyl Automatic 6-spd Regular 16 23 19 MPG
Terrain FWD 3.6L 6-cyl Automatic 6-spd Regular 17 24 19 MPG

2013 GMC Terrain: engines & MPG

The 2013 Terrain was EPA-rated in 4 versions (2.4L 4-cyl, 3.6L 6-cyl), with combined economy from 19 to 26 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 2.4L 4-cyl Automatic 6-spd Regular 22 31 26 MPG
Terrain AWD 2.4L 4-cyl Automatic 6-spd Regular 20 28 23 MPG
Terrain FWD 3.6L 6-cyl Automatic 6-spd Regular 17 24 20 MPG
Terrain AWD 3.6L 6-cyl Automatic 6-spd Regular 16 23 19 MPG

2012 GMC Terrain: engines & MPG

The 2012 Terrain was EPA-rated in 4 versions (2.4L 4-cyl, 3.0L 6-cyl), with combined economy from 19 to 26 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 2.4L 4-cyl Automatic 6-spd Regular 22 31 26 MPG
Terrain AWD 2.4L 4-cyl Automatic 6-spd Regular 20 28 23 MPG
Terrain FWD 3.0L 6-cyl Automatic 6-spd Regular 17 24 20 MPG
Terrain AWD 3.0L 6-cyl Automatic 6-spd Regular 16 23 19 MPG

2011 GMC Terrain: engines & MPG

The 2011 Terrain was EPA-rated in 5 versions (2.4L 4-cyl, 3.0L 6-cyl), with combined economy from 19 to 26 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 2.4L 4-cyl Automatic 6-spd Regular 22 31 26 MPG
Terrain AWD 2.4L 4-cyl Automatic 6-spd Regular 20 28 23 MPG
Terrain FWD 3.0L 6-cyl Automatic 6-spd Regular 17 24 20 MPG
Terrain FWD 3.0L 6-cyl Automatic 6-spd Regular 16 23 19 MPG
Terrain AWD 3.0L 6-cyl Automatic 6-spd Regular 16 23 19 MPG

2010 GMC Terrain: engines & MPG

The 2010 Terrain was EPA-rated in 4 versions (2.4L 4-cyl, 3.0L 6-cyl), with combined economy from 20 to 26 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Terrain FWD 2.4L 4-cyl Automatic 6-spd Regular 22 32 26 MPG
Terrain AWD 2.4L 4-cyl Automatic 6-spd Regular 20 29 23 MPG
Terrain AWD 3.0L 6-cyl Automatic 6-spd Regular 17 24 20 MPG
Terrain FWD 3.0L 6-cyl Automatic 6-spd Regular 17 25 20 MPG

Frequently asked questions

What MPG does a GMC Terrain get?

Depending on year and engine, EPA combined ratings for the Terrain range from 25 to 32 MPG. The most efficient rated version is the 2019 model year.

What engines does the 2027 GMC Terrain have?

The 2027 Terrain was EPA-rated with 1.5L 4-cyl engines — see the 2027 table above for each version's exact city/highway figures.

Does the GMC Terrain require premium gas?

Some versions do: EPA lists regular gasoline and premium gasoline and diesel depending on year and engine — check your year's table above.

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 Terrain EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/gmc/terrain.

See also: GMC Terrain hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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