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Get current 2010 Terrain fair market price, depreciation, trade-in, and resale values from the trusted experts at Kelley Blue Book.

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.

Based on data from 47 vehicles, 3,499 fuel-ups and 933,202 miles of driving, the 2010 GMC Terrain gets a combined Avg MPG of 18.90 with a 0.14 MPG margin of error.

The 2010 GMC TERRAIN AWD has a 3.0L V6 engine and gets 17 miles per gallon in the city and 24 miles per gallon on the highway. Miles-per-gallon.com estimates that it would cost $2,666 per year to …

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.

Technical Specs: GMC Terrain I 3.0 V6 (264 Hp) Automatic SUV /2010, 2011, 2012, 2013, 2014, 2015/ | Fuel consumption, Dimensions, 264 Hp, 11.8 l/100 km, 19.9 US mpg, 23.9 UK mpg, 8.5 km/l

Research the 2010 GMC Terrain at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory.

🛣 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.

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.