2026 GMC Sierra 2500

The 2026 GMC Sierra 2500HD Denali Ultimate represents a premium heavy-duty truck built for those who demand capability without compromise. With its Duramax 6.6L V8 Turbodiesel engine paired to a 10-speed automatic transmission and 4WD, this truck delivers the power and traction needed for serious work and commanding presence on any road.- Adaptive Cruise Control- Android Auto and Apple CarPlay- Backup Camera with Bed View Camera and Two Trailer Camera Provisions- Bluetooth connectivity- Power Moonroof- Remote Start and Keyless Open and Start- Spray-In Bed Liner with GMC Logo- Bose Premium 12-Speaker Audio System with SiriusXM and 360L Trial- Snow Plow Prep/Camper Package with 220-Amp Alternator and Skid Plates- X31 Off-Road Package with Off-Road Suspension and 2-Speed Active Transfer Case- 22'' Gloss Black Aluminum Wheels with All-Terrain Tires- Multicolor 15'' Head-Up Display with Wireless Phone Projection- Premium GMC Infotainment System- Hill Descent Control and Trailer Side Blind Zone Alert- Heated and Ventilated Leather Front SeatsThe Denali Ultimate trim elevates this truck with premium materials and refined appointments. Full grain leather seat trim, genuine wood dashboard and door panel inserts, and a heated steering wheel create an upscale cabin environment. The 16-way power driver and passenger seats with lumbar support ensure comfort during long drives, while heated rear seats and a heated moonroof add convenience for all occupants.Technology is seamlessly integrated throughout this Sierra. The HD Surround Vision system, rear cross traffic alert, and ultrasonic front and rear park assist provide confidence in tight spaces. The Hitch Guidance with Hitch View and in-Vehicle Trailering System App make towing intuitive. A wireless charging pad and dual USB ports keep your devices powered while you work or travel.The Snow Plow Prep and Camper Package, combined with the X31 Off-Road Package, prepares this truck for specialized work. The 220-amp alternator provides auxiliary power, while transfer case and oil pan skid plates protect critical components. Hill Descent Control and the advanced suspension system deliver stability in challenging terrain.Built on a proven platform with premium finishes and comprehensive technology, this 2026 Sierra 2500HD Denali Ultimate is ready for whatever lies ahead. Whether managing a job site, towing a trailer, or commanding attention on the highway, this truck performs with authority and style.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!