New 2026 GMC Sierra 2500HD Denali Ultimate 4WD

Call us at 512-954-9290

This 2026 GMC Sierra 2500HD Denali Ultimate represents serious capability wrapped in refined luxury. Built on the Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD, this truck delivers the power and control you need for work and weekend adventures alike.

- Duramax 6.6L V8 Turbodiesel Engine with 10-Speed Automatic and 4WD
- Gooseneck/5th Wheel Prep Package
- X31 Off-Road Package with Hill Descent Control and 2-Speed Active Transfer Case
- Technology Package with Multicolor 15" Head-Up Display and HD Surround Vision
- Preferred Equipment Group 5SB
- Bose Premium Series 12-Speaker System with SiriusXM 360L Trial Subscription
- Bed View Camera with Two Trailer Camera Provisions and Trailer Viewing Software
- Signature Denali Ultimate Grille in Vadar Chrome with LED Smoked Amber Roof Marker Lamps
- Spray-on Pickup Bedliner with GMC Logo
- 16-Way Power Driver and Passenger Seats with Lumbar Adjustment and Ventilation
- Heated and Ventilated Front Seats with Heated 2nd Row Outboard Seats
- Power Sunroof
- Wireless Phone Projection and Wireless Charging
- Ultrasonic Front and Rear Park Assist with Trailer Side Blind Zone Alert and Rear Cross Traffic Alert
- 20" Ultra-Bright Machined Aluminum Wheels

The interior demonstrates the Denali Ultimate's attention to detail. Full grain leather seat trim, genuine wood dashboard and door panel inserts, and a heated steering wheel create an atmosphere of sophistication. The 16-way power seats with lumbar support and ventilation ensure comfort on long hauls, while the power sunroof adds an open-air dimension to your driving experience. Wireless charging and dual USB charging ports keep your devices powered throughout the day.

Technology is seamlessly integrated throughout the cabin. The premium GMC infotainment system works with Apple CarPlay and Android Auto for connectivity you rely on. The multicolor 15" head-up display keeps critical information within your line of sight, while the bed view camera with trailer camera provisions and integrated trailer viewing software makes hauling safer and more precise. Remote vehicle starter, push button start, and keyless open and start add convenience to your daily routine.

Safety and capability go hand in hand in this truck. The X31 Off-Road Package includes an off-road suspension and hill descent control for confident trail performance. Automatic emergency braking, forward collision alert, and lane departure warning work proactively to prevent incidents. The in-vehicle trailering system app and hitch guidance with hitch view simplify towing operations, while trailer tire pressure monitoring sensors give you real-time assurance on the road.

The truck's versatility extends to its work capabilities. The gooseneck and 5th wheel prep package is ready for serious pulling, while the spray-on bedliner protects your cargo area. The 120-volt bed-mounted and instrument panel power outlets power your tools and equipment right where you need them. LED cargo area lighting illuminates your work, and the full-size pickup box provides ample space for whatever you haul.

This Sierra 2500HD Denali Ultimate combines the rugged capability of a premium work truck with the refined comfort and technology you expect from GMC. With just 5 miles on the odometer, you're starting with a fresh opportunity to make this truck your own. Visit our showroom to experience the commanding presence, powerful performance, and thoughtful luxury details that define this class leader.

Call us at 512-954-9290