GMC will release the 2016 Sierra All Terrain X, a special edition off-road truck with enhanced off-road capability and a monochromatic appearance.
The All Terrain X upgrades the All Terrain off-road model with monochromatic exterior trim and special equipment.
The All Terrain X model starts as a Sierra 1500 four-wheel drive crew cab with a short box. The double cab with the standard box is available with SLT trim. The X package also includes 265/65R18SL Mud-Terrain-rated Goodyear Wrangler DuraTrac MT tires, 18-inch aluminum wheels, LED head lamps, and performance exhaust system that boosts output to 365 hp.
The All Terrain package includes four-wheel-drive with an Eaton locking rear differential, Z71 off-road suspension, hill descent control, rear park assist, and inclinometer.