Vehicle crash and safety data is provided by NHTSA, the National Highway Traffic Safety Administration. NHTSA testing was established by Congress to reduce highway deaths and injuries.
The 2021 GMC Terrain is a premium compact SUV that seats five passengers. Maximum cargo capacity is 81 cubic feet with the rear seat and front passenger seat folded down.
Four trims are available: SL, SLE, SLT, and Denali.
Powering the Terrain is a standard 170-hp, turbocharged 1.5-liter four-cylinder engine are mated to a nine-speed automatic. Front-wheel drive (FWD) comes standard, while all-wheel drive (AWD) is optional. Fuel economy for the FWD Terrain is an EPA-estimated 26/30 mpg city/highway. It slightly decreases to a 25/28 mpg rating for the AWD Terrain.