2022 GMC Sierra 1500 AT4X is a Truck (Crew Cab) model with 10-speed shiftable automatic transmission. This is a four wheel drive model With a power of 420 HP and 460.00 ft lbs of torque. An urban consumption is 14.00 MPG. The engine has a capacity of 6.20L with V8 cylinders. To view detailed specifications like fuel consumption and dimensions, please scroll below.