The 2022 GMC Sierra 2500HD AT4 is a robust, off-road-ready heavy-duty pickup designed for those who demand both exceptional towing capacity and rugged performance, while still maintaining a refined interior. As part of GMC’s AT4 lineup, the Sierra 2500HD AT4 is equipped with features tailored to enhance off-road capability, offering a perfect balance of power, durability, and style.

Powering the 2022 Sierra 2500HD AT4 is a choice of two formidable engine options. The 6.6-liter Duramax V8 turbo-diesel engine ramps up the performance with 445 horsepower and an impressive 910 lb-ft of torque. Paired with a 10-speed automatic transmission or the six-speed Allison transmission on the diesel engine, this truck is built for heavy-duty towing and hauling with a maximum towing capacity of up to 18,500 pounds. Whether you're towing a boat, a trailer, or a camper, the Sierra 2500HD AT4 provides the muscle and confidence to handle any challenge.

The AT4 trim is designed for off-road adventures, featuring 4WD and a 2-inch factory lift that provides improved ground clearance for tackling rough terrain. The Off-Road Suspension Package and Hill Descent Control offer additional support for navigating rugged landscapes, while Goodyear Wrangler Duratrac tires provide excellent traction in any environment.

Inside, the Sierra 2500HD AT4 combines a tough exterior with a luxurious, technology-filled interior. The cabin features Jet Black leather upholstery with Kalahari accents, adding a touch of refinement to the truck's rugged persona. The 12-inch digital driver display and 8-inch touchscreen infotainment system come standard with Apple CarPlay, Android Auto, and Amazon Alexa integration. Additionally, the Bose Premium Audio System provides a premium sound experience, making long road trips or off-road excursions more enjoyable.

Advanced safety features, including forward-collision warning, lane-keeping assist, blind-spot monitoring, and automatic emergency braking, are included to help ensure both safety and convenience while on the road. The truck also comes with GMC’s MultiPro Tailgate, which offers six different configurations, making it easier to load, unload, and access the bed for greater functionality.

With its bold design, off-road capabilities, and powerful engine options, the 2022 GMC Sierra 2500HD AT4 is the ultimate choice for drivers seeking a dependable, capable, and stylish heavy-duty pickup that’s ready for both work and adventure.

This 2022 GMC Sierra 2500HD AT4 is available at Montana Used Cars in New Haven, CT. For more information or to schedule a test drive, please contact us at (475) 522-7600 or email sales@montanausedcarct.com. Visit us at 430 Howard Ave, New Haven, CT 06519, and experience the perfect blend of power and luxury.