2024 Gmc Terrain Slt Awd Review. The 2024 gmc terrain has an underpowered engine and offers a humdrum driving experience, with easygoing acceleration and dull. Fuel economy for fwd models is rated at 24/29 mpg city/highway, and 24/28 mpg for awd variants.

2024 gmc terrain performance review. View detailed specs, features and options for the 2024 gmc terrain awd 4dr slt at u.s.