GMC Terrain MPG & Fuel Economy
The 2027 GMC Terrain gets up to 32 MPG combined (28 city / 38 highway) in EPA testing.
Latest model year (2027):
The GMC Terrain gets up to 26 MPG combined (25 city / 28 highway) in the Auto 8-spd, 4 cyl, 1.5 L trim.
GMC Terrain MPG — All Years
| Year | Trim | Engine | Fuel | City (MPG) | Hwy (MPG) | Combined (MPG) |
|---|---|---|---|---|---|---|
| 2027 | Auto 8-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 26 | 25 |
| 2027 | Auto 8-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 25 | 28 | 26 |
| 2027 | Auto 8-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 28 | 25 |
| 2026 | Auto (variable gear ratios), 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 26 | 28 | 27 |
| 2026 | Auto 8-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 28 | 25 |
| 2026 | Auto 8-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 26 | 25 |
| 2025 | Auto (variable gear ratios), 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 26 | 28 | 27 |
| 2025 | Auto 8-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 28 | 25 |
| 2024 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 29 | 26 |
| 2024 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 23 | 28 | 25 |
| 2023 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 28 | 26 |
| 2023 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 29 | 26 |
| 2022 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 25 | 30 | 27 |
| 2022 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 25 | 28 | 26 |
| 2021 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 25 | 30 | 27 |
| 2021 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 25 | 28 | 26 |
| 2020 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 26 | 30 | 27 |
| 2020 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 25 | 28 | 26 |
| 2020 | Auto 9-spd, 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 28 | 24 |
| 2020 | Auto 9-spd, 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 26 | 23 |
| 2019 | Auto 6-spd, 4 cyl, 1.6 L | 4 1.6L | Diesel | 28 | 38 | 32 |
| 2019 | Auto 6-spd, 4 cyl, 1.6 L | 4 1.6L | Diesel | 28 | 39 | 32 |
| 2019 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 26 | 30 | 28 |
| 2019 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 28 | 26 |
| 2019 | Auto 9-spd, 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 28 | 24 |
| 2019 | Auto 9-spd, 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 26 | 23 |
| 2018 | Auto 6-spd, 4 cyl, 1.6 L | 4 1.6L | Diesel | 28 | 38 | 32 |
| 2018 | Auto 6-spd, 4 cyl, 1.6 L | 4 1.6L | Diesel | 28 | 39 | 32 |
| 2018 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 24 | 28 | 26 |
| 2018 | Auto 9-spd, 4 cyl, 1.5 L | 4 1.5L | Regular Gasoline | 26 | 30 | 28 |
| 2018 | Auto 9-spd, 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 22 | 28 | 24 |
| 2018 | Auto 9-spd, 4 cyl, 2.0 L | 4 2.0L | Premium Gasoline | 21 | 26 | 23 |
| 2017 | Auto 6-spd, 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 21 | 31 | 25 |
| 2017 | Auto 6-spd, 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 20 | 28 | 23 |
| 2017 | Auto 6-spd, 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 21 | 31 | 25 |
| 2017 | Auto 6-spd, 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 17 | 24 | 20 |
| 2017 | Auto 6-spd, 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 16 | 23 | 18 |
| 2016 | Auto 6-spd, 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 22 | 31 | 26 |
| 2016 | Auto 6-spd, 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 20 | 28 | 23 |
| 2016 | Auto 6-spd, 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 22 | 31 | 26 |
| 2016 | Auto 6-spd, 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 17 | 24 | 20 |
| 2016 | Auto 6-spd, 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 16 | 23 | 18 |
| 2015 | Auto 6-spd, 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 20 | 28 | 23 |
| 2015 | Auto 6-spd, 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 22 | 31 | 26 |
| 2015 | Auto 6-spd, 4 cyl, 2.4 L | 4 2.4L | Regular Gasoline | 22 | 31 | 26 |
| 2015 | Auto 6-spd, 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 17 | 24 | 19 |
| 2015 | Auto 6-spd, 6 cyl, 3.6 L | 6 3.6L | Regular Gasoline | 16 | 23 | 19 |
Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.
GMC Terrain MPG FAQ
What is the MPG of the GMC Terrain?
The GMC Terrain gets up to 32 MPG combined (28 city / 38 highway) in the 2027 model year. Fuel economy varies by engine and trim — see the full table above for details.
Which GMC Terrain trim has the best fuel economy?
The Auto 6-spd, 4 cyl, 1.6 L trim offers the best combined fuel economy at 32 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.