The 2022 GMC Sierra 3500HD AT4 with the Duramax diesel is a heavy-duty pickup built for extreme capability and refined performance. Its 6.6L Duramax V8 delivers about 445 horsepower and up to 910 lb-ft of torque, paired with an Allison 10-speed automatic transmission. With advanced four-wheel drive, off-road-focused AT4 features, and a maximum towing capacity around 20,000 pounds, it excels at hauling and towing while maintaining comfort and confidence on and off the road.Includes GarffCare! (Complimentary Towing along Wasatch Front, Roadside Assistance, Complimentary Annual State Safety Inspection, Flat Tire Repair, and Car Wash with every Service Visit)

Options:

REAR AXLE 3.42 RATIO,WINTER GRILLE COVER,TRANSMISSION ALLISON 10-SPEED AUTOMATIC,TIRES LT275/70R18E ALL-TERRAIN BLACKWALL (STD),ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm 910 lb-ft of torque [1220 Nm] @ 1600 rpm) (Includes (K05) engine block heater.),EXHAUST BRAKE,Tow Hitch,Running Boards/Side Steps,Locking/Limited Slip Differential,Four Wheel Drive,Tow Hooks,Power Steering,ABS,4-Wheel Disc Brakes,Aluminum Wheels,Tires - Front All-Terrain,Tires - Rear All-Terrain,Conventional Spare Tire,Bed Liner,Daytime Running Lights,Fog Lamps,Heated Mirrors,Power Mirror(s),Integrated Turn Signal Mirrors,Power Folding Mirrors,Privacy Glass,Integrated Tailgate Step,AM/FM Stereo,MP3 Capability,Bluetooth Connection,Auxiliary Audio Input,Smart Device Integration,Satellite Radio,Requires Subscription,Navigation System,Satellite Radio,Telematics,Requires Subscription,Bluetooth Connection,Bluetooth Connection,Smart Device Integration,Bucket Seats,WiFi Hotspot,Leather Seats,Power Driver Seat,Driver Adjustable Lumbar,Power Passenger Seat,Passenger Adjustable Lumbar,Pass-Through Rear Seat,Rear Bench Seat,Heated Front Seat(s),Heated Front Seat(s),Cooled Front Seat(s),Mirror Memory,Seat Memory,Floor Mats,Floor Mats,Leather Steering Wheel,Heated Steering Wheel,Adjustable Steering Wheel,Steering Wheel Audio Controls,Power Windows,Power Windows,Power Door Locks,Remote Engine Start,Keyless Entry,Power Door Locks,Keyless Start,Cruise Control,Security System,Power Outlet,MP3 Capability,Auxiliary Audio Input,MP3 Capability,Auxiliary Audio Input,Power Outlet,Climate Control,Multi-Zone A/C,A/C,Rear Defrost,Auto-Dimming Rearview Mirror,Traction Control,Stability Control,Daytime Running Lights,Driver Air Bag,Passenger Air Bag,Front Side Air Bag,Front Head Air Bag,Rear Head Air Bag,Passenger Air Bag Sensor,Telematics,Requires Subscription,Back-Up Camera,Back-Up Camera,Driver Restriction Features,Tire Pressure Monitor