Gmc Terrain 2024 Mpg Uk. Click here to view all the gmc terrains currently participating. Fuel economy for fwd models is rated at 24/29 mpg city/highway, and 24/28 mpg for awd variants.
1984 to present buyer’s guide to fuel efficient cars and trucks. All trim levels of the 2024 terrain get 25 mpg, with 23 mpg in the city and 28 mpg on the highway.