The 2022 GMC Sierra 3500HD Denali 4WD Crew Cab Standard Box is a premium heavy-duty pickup that combines robust performance with upscale features. It offers a choice between a 6.6L V8 gasoline engine producing 401 horsepower and 464 lb-ft of torque, or an available 6.6L Duramax turbodiesel V8 delivering 445 horsepower and 910 lb-ft of torque, paired with a 10-speed Allison automatic transmission. The Denali trim includes luxury appointments such as heated and ventilated leather front seats, open-pore wood trim, a Bose premium audio system, and advanced technology features like a 15-inch head-up display and wireless smartphone integration. With a maximum towing capacity of up to 20,000 lbs and a payload capacity of approximately 6,610 lbs, the Sierra 3500HD Denali is well-equipped for both demanding work and comfortable daily driving.