2019 GMC Sierra AT4

GMC unveils the 2019 Sierra AT4 Monday, March 26, 2018 in New York, New York. The AT4 comes standard with a factory installed 2-inch suspension lift that provides additional ground clearance and low-range four-wheel-drive gearing for extremely tough conditions. The Sierra ATR4 also features technologies like Traction Select System, Multi-Color Head-Up Display, Surround Vision and ProGrade Trailering System with Trailering App. The GMC Sierra AT4 goes on sale this fall. (Photo by Steve Fecht for GMC)