Overview
The 2021 GMC Sierra 1500 AT4 Crew Cab is a prominent contender in the fullsize pickup truck segment, competing primarily with the RAM 1500 Rebel CrewCab, and the Chevrolet Silverado 1500 ZR2 Crew Cab, and the Ford F-150 SuperCrew Tremor. Prices start off at MSRP $54,700 with the base trim, reaching all the way to an MSRP of $55,900. With multiple powertrain and cab options available across multiple cab styles and trims, there is a GMC Sierra 1500 AT4 for everyone. The GMC Sierra 1500 AT4 offers 5 exciting powertrains, each offered as a 4WD drive only. The base engine is a 4.3 L V6 engine capable of making 285 horsepower and 305 lb-ft of torque. It also offers a healthy towing capacity of 8000 pounds. The second engine option is a larger 6.2L V8 making 420 hp horsepower and carrying a towing capacity of 9,200 pounds. Both engines are mated to a 10-Speed Automatic transmission. Furthermore, you get a choice between a 5’8” feet bed and a 6’6” feet bed.
