GMC Terrain FWD: MPG and fuel economy by year
The EPA has rated the GMC Terrain FWD across 17 model years, from the 2010 GMC Terrain FWD through the 2026 GMC Terrain FWD. The most recent 2026 GMC Terrain FWD returns 27 combined MPG. The most efficient model year was the 2019 GMC Terrain FWD at 32 MPG.
Pick a year below to open the full GMC Terrain FWD page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the GMC Terrain FWD. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2026 | 2026 GMC Terrain FWD | 27 MPG | 26 MPG | 28 MPG | $2,200 |
| 2025 | 2025 GMC Terrain FWD | 27 MPG | 26 MPG | 28 MPG | $2,200 |
| 2024 | 2024 GMC Terrain FWD | 26 MPG | 24 MPG | 29 MPG | $2,300 |
| 2023 | 2023 GMC Terrain FWD | 26 MPG | 24 MPG | 29 MPG | $2,300 |
| 2022 | 2022 GMC Terrain FWD | 27 MPG | 25 MPG | 30 MPG | $2,200 |
| 2021 | 2021 GMC Terrain FWD | 27 MPG | 25 MPG | 30 MPG | $2,200 |
| 2020 | 2020 GMC Terrain FWD | 27 MPG | 26 MPG | 30 MPG | $2,200 |
| 2019 | 2019 GMC Terrain FWD | 32 MPG | 28 MPG | 39 MPG | $2,550 |
| 2018 | 2018 GMC Terrain FWD | 32 MPG | 28 MPG | 39 MPG | $2,550 |
| 2017 | 2017 GMC Terrain FWD | 25 MPG | 21 MPG | 31 MPG | $2,400 |
| 2016 | 2016 GMC Terrain FWD | 26 MPG | 22 MPG | 31 MPG | $2,300 |
| 2015 | 2015 GMC Terrain FWD | 26 MPG | 22 MPG | 31 MPG | $2,300 |
| 2014 | 2014 GMC Terrain FWD | 26 MPG | 22 MPG | 31 MPG | $2,300 |
| 2013 | 2013 GMC Terrain FWD | 26 MPG | 22 MPG | 31 MPG | $2,300 |
| 2012 | 2012 GMC Terrain FWD | 26 MPG | 22 MPG | 31 MPG | $2,300 |
| 2011 | 2011 GMC Terrain FWD | 26 MPG | 22 MPG | 31 MPG | $2,300 |
| 2010 | 2010 GMC Terrain FWD | 26 MPG | 22 MPG | 32 MPG | $2,300 |
How the GMC Terrain FWD compares against the Small Sport Utility Vehicle 2WD class
Buyers usually compare the GMC Terrain FWD against other cars in the same EPA class. The list below shows the most efficient cars in the Small Sport Utility Vehicle 2WD class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.