GMC added new tech to the 2012 Terrain. The compact crossover SUV received a new standard touchscreen infotainment system, while forward-collision warning and lane-departure warning landed on the options list. This SUV comes in SLE and SLT trims equipped with a standard 2.4-liter four-cylinder engine making 182 horsepower. People seeking more potency can upgrade to a 264-hp V6. The Terrain's EPA-estimated gas mileage ranges from 22/31/26 mpg city/highway/combined to 16/23/19 mpg, depending on the powertrain. The 2012 GMC Terrain tows up to 3,500 pounds, seats five people, and provides up to 63.7 cubic-feet of cargo room.