The 2026 GMC Sierra 2500HD AT4X is a true off-road powerhouse, designed to conquer the toughest terrain with confidence. Equipped with a robust Duramax 6.6L V8 Turbodiesel engine and a 10-speed automatic transmission, this beast delivers an impressive 470 horsepower and an astounding 975 lb-ft of torque, making it the perfect companion for your most demanding adventures.- Volcanic Red Tintcoat exterior- Engine block heater- 220-amp alternator- Gooseneck ball and chain tiedown kit- Rear underseat storage- Gooseneck/5th wheel prep packageStep inside and you'll be greeted by premium features that elevate your driving experience, including the Bose Premium Series 12-speaker audio system, a heads-up display, and a wealth of advanced safety technologies like Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert.The Sierra 2500HD AT4X is built to tackle any challenge, whether you're hauling heavy loads, towing a trailer, or navigating off-road terrain. With its rugged off-road suspension, 2-speed active transfer case, and a host of other off-road-focused features, this truck is ready to take you wherever your adventures lead.Discover the uncompromising capability and refined luxury of the 2026 GMC Sierra 2500HD AT4X. Schedule a test drive today and experience the power and versatility that will redefine your expectations of what a heavy-duty truck can do.This vehicle is a true testament to GMC's commitment to engineering excellence and customer satisfaction. We're confident that the Sierra 2500HD AT4X will exceed your expectations and become an indispensable part of your lifestyle.