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.