* AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Off-Road High Clearance Steps * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Are you ready to command power and versatility in the great outdoors? Introducing the 2026 GMC Sierra 3500HD AT4, a robust companion designed to enhance your heavy-duty tasks and adventurous outings. This new vehicle shines in Sterling Metallic with a sleek Jet black interior and Kalahari accents, setting a bold statement on and off the road. At the heart of this powerhouse is the Duramax 6.6L Turbo-Diesel V8 engine, optimized for high performance with 470 hp and an impressive 975 lb-ft of torque. Coupled with an automatic 10-speed transmission, it ensures smooth, responsive shifts that make towing effortless. Enjoy advanced technology with the HD Surround Vision System, enhancing safety and awareness in dynamic driving environments, and navigate with ease under any condition with the integrated Navigation System. The Gooseneck/5th Wheel Prep Pkg provides versatility for towing, reinforced by a robust rear axle with a 3.42 ratio and GVWR of 12,100 lbs. The AT4 Premium Plus Pkg adds luxury to functionality with a power sunroof and high-clearance off-road steps for easy cabin access. Heated seats front and rear, alongside a ventilated front seats, ensure comfort in varying climates, while the head-up display enhances utility. Safety features such as Front Collision Alert and Blind Spot Monitor bolster confidence on busy roads, while the LED Headlights offer clear visibility during night drives. This GMC Sierra is more than a truck; it’s a statement of strength and sophistication – ready to tackle challenges while ensuring comfort and safety. Stock # T4367855 AMVIC Licensed Dealer.