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Based on data from 47 vehicles, 3,521 fuel-ups and 937,132 miles of driving, the 2010 GMC Terrain gets a combined Avg MPG of 18.89 with a 0.14 MPG margin of error.

View detailed gas mileage data for the 2010 GMC Terrain. Use our handy tool to get estimated annual fuel costs based on your driving habits.

Oct 6, 2025 · Compare GMC Terrain fuel economy from 2010 to 2025 in MPG and L/100 km. See which model year is most fuel-efficient before you buy.

Drivers share their GMC Terrain MPG--along with their driving habits and road conditions--so you can learn what MPG by bodystyle and powertrain to actually expect.

2010 GMC Terrain FWD, 2.4 Liters, 4 Cylinders, 6 Speeds, Automatic Transmission MPG City MPG: 22 MPG (U.S.)11 L/100km9 km/liter26 MPG (Imperial) Highway MPG: 32 MPG (U.S.)7 L/100km14 …

🛣 How Many Miles per Gallon (MPG) Does a 2010 GMC Terrain AWD Get? Across all models, the combined average MPG for the 2010 GMC Terrain AWD is 22 miles per gallon.

Get official 2010 gmc terrain MPG ratings. View detailed city, highway, and combined fuel economy data and compare with similar vehicles.

Coupled with an 18-gallon fuel tank, the Terrain can boast of a 576-mile cruising range (front-wheel-drive) or 522-mile range (all-wheel-drive). It also uses regular gas.

Fuel economy of the 2010 GMC Terrain. 1984 to present Buyer's Guide to Fuel Efficient Cars and Trucks. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings …