Car Overview
The 2020 GMC Terrain added safety features such as lane-keeping assist and forward-collision warning as standard equipment, and GMC dropped the diesel powertrain. This compact SUV comes in S, SLE, SLT, and Denali trims. The standard engine is a turbocharged 1.5-liter four-cylinder making 170 horsepower, and a turbocharged 252-hp engine is optional. All-wheel drive is available, and the EPA-estimated gas mileage ranges from 26/30/27 mpg in city/highway/combined driving to 21/26/23 mpg, depending on the powertrain. The 2020 GMC Terrain tows up to 3,500 pounds, seats five people, and has 81 cubic-feet of maximum cargo room.