The 2019 GMC Sierra AT4 is a trim level built for going offroad. It has a few upgrades, including a 2-inch suspension lift, off-road-tuned Rancho monotube shocks and a standard 4WD system with a two-speed transfer case, a locking rear differential and skid plates.

Buyers can  get 18-inch wheels with all-terrain tires or 20-inch wheels with similar tires, but can also get Goodyear Wrangler Duratrac tires as well.

GM’s 5.3-liter V8 is standard, but like other Sierra trims, a 6.2-liter V8 and a new 3.0-liter diesel I6 are both available.