Elevate your driving experience with the exceptional 2026 GMC Sierra 2500HD AT4X. This remarkable heavy-duty pickup is the epitome of rugged capability and refined luxury, designed to conquer any terrain while providing unparalleled comfort and convenience. - Android Auto, Apple CarPlay, Backup Camera, Bluetooth - Gooseneck/5th Wheel Prep Package, Snow Plow Prep/Camper Package - 220-Amp Alternator Powered by a robust 6.6L V8 engine and equipped with a 10-Speed Automatic transmission and 4WD, this Sierra 2500HD AT4X delivers exceptional performance and off-road prowess. Immerse yourself in the premium Bose audio system, enjoy the convenience of wireless charging, and stay connected with the advanced GMC Infotainment System. Elevate your driving experience with the exceptional 2026 GMC Sierra 2500HD AT4X. This remarkable heavy-duty pickup is the epitome of rugged capability and refined luxury, designed to conquer any terrain while providing unparalleled comfort and convenience. Indulge in the comfort of heated and ventilated front seats, a heated steering wheel, and a power-adjustable driver's seat with memory settings. Stay safe and alert with features like Forward Collision Alert, Automatic Emergency Braking, and the Surround Vision camera system. Tow with confidence thanks to the in-vehicle trailering system and Trailer Tire Pressure Monitor Sensors. Exterior highlights include the striking Gloss Black accents, LED lighting, and the rugged Spray-on Bedliner. The AT4X package also adds off-road-focused upgrades like the 2-Speed Active Transfer Case, Off-Road Suspension, and Hill Descent Control, ensuring you can conquer any terrain with ease. Whether you're tackling tough jobs, exploring the great outdoors, or simply enjoying the daily commute, the 2026 GMC Sierra 2500HD AT4X is the ultimate heavy-duty companion. Experience the perfect blend of power, capability, and refined luxury. Stop by Woody Buick GMC of Gurnee, an 11-time GM Dealer of the Year and Mark of Excellence recipient, and Dealer Rater 2025 Dealer of the Year to schedule a test drive! See for yourself why this J.D. Power 2026 Dealer of Excellence is Chicagoland's most awarded dealer. Take advantage of our award-winning service and the best incentives around! We have a 2026 GMC Sierra 2500HD AT4X on sale for you!