2026 GMC Sierra 3500

Meet the 2026 GMC Sierra 3500HD Pro X31 Package, a white double cab long bed built for serious work and adventure. This 4WD diesel-capable truck arrives with a 6.6L V8, 10-speed automatic transmission, and comprehensive off-road performance enhancements. The Pro X31 Package combines rugged capability with modern connectivity and convenience.Key Features:- Android Auto and Apple CarPlay smartphone integration- Bluetooth audio and wireless phone projection- Remote start and push-button start for easy operation- Backup camera with ultrasonic front and rear park assist- Lane Change Alert with Side Blind Zone Alert and Rear Cross Traffic Alert- EZ Lift Power Lock and Release tailgate- Gooseneck/5th wheel prep package for maximum towing configuration- X31 off-road package with 2-speed electronic shift transfer case and suspension enhancements- Snow plow prep and camper package compatibility- 120-volt power outlets in instrument panel and truck bedThe Sierra 3500HD delivers versatility with its Jet Black vinyl interior, spray-on bedliner, and auto-dimming rear-view mirror. Automatic emergency braking, forward collision alert, and hill descent control provide safety confidence, while the electric rear-window defogger and perimeter lighting add practical functionality. This truck is ready for your toughest demands.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 {YMM} {Series} on sale for you!