"Discover the unparalleled capability and premium features of the 2026 GMC Sierra 2500HD AT4X. This exceptional heavy-duty truck is built to conquer any challenge, from the toughest jobsites to the most demanding adventures. - Adaptive Cruise Control, Android Auto, Apple CarPlay, Backup Camera, Bluetooth, Moonroof / Sunroof, Spray In Bed Liner - Gooseneck/5th Wheel Prep Package, Preferred Equipment Group 4SG, Snow Plow Prep/Camper Package - Bose Premium Series 12-Speaker System, SiriusXM with 360L Trial Subscription, Steering Wheel Audio Controls, Electric Rear-Window Defogger, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, Push Button Start, Remote Vehicle Starter System, Universal Home Remote, Manual Tilt-Wheel/Telescoping Steering Column, 2-Speed Active Transfer Case, 220-Amp Alternator, Gloss Black Header Grille and Grille Insert Bars, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Rear Wheelhouse Liners, Spray-on Pickup Bedliner with GMC Logo, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, Bed View Camera with Two Trailer Camera Provisions, Floor-Mounted Center Console, Front Premium Floor Liners with Removable Carpet Insert, HD Surround Vision, Inside Rearview Auo-Dimming Rear Camera Mirror, Multicolor 15"" Diagonal Head-Up Display, OnStar Services Capable, Rear Cross Traffic Alert, Rear Premium Floor Liners with Removable Carpet Insert, Trailer Cam Provisions and Trailer Viewing Software, Trailer Side Blind Zone Alert, Ultrasonic Front and Rear Park Assist, Wireless Charging, Wireless Phone Projection, Hill Descent Control, Keyless Open and Start, Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seats, Safety Alert Seat, Ventilated Driver and Front Passenger Seats, Unauthorized Entry Theft-Deterrent System, Power Sunroof, Trailer Tire Pressure Monitor Sensors, Deep-Tinted Glass, Front Rain-Sensing Wipers, Power Front Passenger Windows with Express Up/Down, Power Sliding Rear Window with Defogger This 2026 GMC Sierra 2500HD AT4X is packed with the latest technology and premium amenities to elevate your driving experience. With its powerful 6.6L V8 engine, advanced 4WD capabilities, and exceptional towing and hauling capacity, this truck is ready to tackle any job or adventure. 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!"