2026 GMC Sierra 2500

This 2026 GMC Sierra 2500HD AT4X in Beige represents serious capability paired with premium comfort and technology. Built on a foundation of proven engineering, this truck delivers the performance and features you need for both demanding work and refined daily driving.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness- Adaptive Cruise Control and Automatic Emergency Braking- Apple CarPlay and Android Auto integration- Bose Premium Series 12-Speaker System with SiriusXM 360L Trial Subscription- HD Surround Vision with Bed View Camera and trailer camera provisions- Wireless Phone Projection and Wireless Charging- Heated and ventilated front seats with 16-way power adjustments- Full Grain Leather seat trim throughout- Push Button Start with Remote Vehicle Starter System- Power Sunroof- Ultrasonic Front and Rear Park Assist with Trailer Side Blind Zone Alert- 18'' Machined Aluminum wheels with High Gloss Black accents- Spray-on Pickup Bedliner with GMC LogoThe AT4X trim sets itself apart with specialized off-road and towing capabilities. The 2-Speed Active Transfer Case combined with Hill Descent Control ensures confident handling across varied terrain. The Gooseneck/5th Wheel Prep Package eliminates the need for aftermarket installation, offering stamped bed holes with removable caps and a complete hitch platform ready to accept either gooseneck or 5th wheel equipment. This factory integration provides greater reliability and resale value compared to add-on solutions.Technology enhances both functionality and convenience. The Multicolor 15'' Diagonal Head-Up Display keeps critical information in your sightline without distraction. Trailer Cam Provisions with Trailer Viewing Software and Hitch Guidance with Hitch View transform complex maneuvering into straightforward, manageable tasks. The in-Vehicle Trailering System App puts detailed information and controls within easy reach.Interior refinement matches the truck's capabilities. Full Grain Leather seat trim, heated and ventilated front seats, and heated rear outboard seats create a premium environment regardless of season. The Floor-Mounted Center Console with two Charge/Data USB Ports and two Charge-Only Rear USB Ports keeps devices powered and accessible. Rear Premium Floor Liners with Removable Carpet Insert protect the cabin while maintaining that premium feel.Safety systems work proactively to protect you and your cargo. Forward Collision Alert, Lane Departure Warning System, Rear Cross Traffic Alert, and Automatic Emergency Braking provide layered protection. The Safety Alert Seat offers tactile warnings when intervention is needed, adding another dimension to your awareness.Stop by Woody Buick GMC Naperville, an 11-time GM Dealer of the Year and Mark of Excellence recipient, to schedule a test drive! See for yourself why this J.D. Power 2026 Dealer of Excellence is Illinois' #1 Sales Volume Buick GMC destination and Chicagoland's most awarded dealer. Take advantage of our award-winning service and the best incentives around! We have a 2026 GMC Sierra 2500HD on sale for you!