The 2022 GMC Sierra 2500HD AT4 is a heavy-duty truck built for serious work, serious capability, and serious off-road confidence all wrapped in a bold, aggressive package that stands out anywhere it goes.
Under the hood, it comes equipped with a 6.6L V8 gas engine producing 401 horsepower and 464 lb-ft of torque, paired with a 6-speed automatic transmission and standard 4WD. Itâs engineered to handle demanding jobs with ease, offering up to 18,500 lbs of max towing capacity and a payload rating around 3,700 3,800 lbs depending on configuration.
Where the AT4 really separates itself is capability with attitude. It comes factory-equipped with off-road upgrades like a factory lift, skid plates, Rancho shocks, hill descent control, and an automatic locking rear differential. This isnât just a work truck itâs a heavy-duty rig thatâs ready to leave pavement behind and keep going.
2 Years Young Auto Care includes: Three Oil/Filter Changes | Tire Rotation | Fluid Top Off Multi-Point Inspection | Battery Test | Alignment Check. Please call to schedule your test drive today! Price does not include any dealer installed accessories, please see dealer for details and demonstration. Tax, title, and license fees extra.
