New 2026 Gmc Sierra 2500 HD AT4

This 2026 GMC Sierra 2500HD AT4 is a true workhorse, built to handle the toughest jobs with uncompromising power and capability. Equipped with the legendary Duramax 6.6L V8 Turbodiesel engine, this truck delivers an impressive 470 horsepower and an astounding 975 lb-ft of torque, giving you the muscle to conquer any terrain or towing challenge. Step into the cabin of this Sierra 2500HD AT4, and you'll be surrounded by a wealth of premium features that elevate your driving experience. Enjoy the Bose Premium 7-Speaker Sound System, the intuitive Premium GMC Infotainment System, and the convenience of wireless charging and wireless phone projection. The heated and ventilated front seats, heated rear seats, and heated steering wheel will keep you comfortable in any weather, while the 15-inch Head-Up Display and Surround Vision cameras provide unparalleled visibility and confidence behind the wheel. For those who demand the ultimate in off-road capability, the Sierra 2500HD AT4 is equipped with the X31 Off-Road Package, featuring an advanced 2-speed transfer case, hill descent control, and off-road-tuned suspension. Combined with the standard 4WD system and the available Gooseneck/4th Wheel Prep Package, this is a true work.