Discover the latest lineup of new GMC trucks and SUVs at Red Rock GMC. From the rugged Sierra to the versatile Acadia and luxurious Yukon, you'll find Professional Grade capability, advanced technology, and exceptional comfort in every model. Our team is here to help you find the right GMC with a straightforward, hassle-free buying experience.

- Duramax 6.6L V8 Turbodiesel Engine with 10-Speed Automatic and 4WD
- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness
- 20" Ultra-Bright Machined Aluminum Wheels
- Bose Premium Series 12-Speaker System with SiriusXM 360L
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- Multicolor 15" Diagonal Head-Up Display
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- 16-Way Power Driver and Passenger Seats with Lumbar Support
- Full Grain Leather Seat Trim with heated and ventilated front seats
- Power Sunroof
- Wireless Phone Projection and Wireless Charging
- Ultrasonic Front and Rear Park Assist with Trailer Side Blind Zone Alert
- X31 Off-Road Package with Hill Descent Control and 2-Speed Active Transfer Case
- Automatic Emergency Braking with Forward Collision Alert
- OnStar Services Capable with Emergency Communication System

The 2026 GMC Sierra 2500HD Denali Ultimate delivers commanding presence and capable performance. The Glacier White Tricoat exterior reflects quality craftsmanship, while the Signature Denali Ultimate Grille in Vader Chrome establishes a distinctive, refined appearance. This truck provides the foundation for serious work and confident ownership.

The Denali Ultimate trim prioritizes your comfort and connectivity. The full grain leather interior, heated and ventilated front seats, and 16-way power adjustable driver and passenger seats with lumbar support create a premium driving environment. Interior wood trim elements enhance the cabin's sophistication, while the power sunroof and ambient lighting elevate everyday drives.

For hauling and towing operations, this Sierra 2500HD includes the Gooseneck/5th Wheel Prep Package with hitch platform, stamped bed holes with removable caps, and bed-mounted 7-pin trailer harness. The in-vehicle trailering system app, hitch guidance with hitch view, and trailer tire pressure monitor sensors provide practical support when managing heavy loads. Trailer side blind zone alert and rear cross traffic alert enhance safety during maneuvering.

Advanced technology features integrate seamlessly into your driving experience. The premium infotainment system supports Apple CarPlay and Android Auto, while the multicolor 15-inch head-up display keeps essential information visible. HD surround vision with bed view camera and trailer camera provisions offers comprehensive visibility. The Bose premium audio system with SiriusXM 360L trial subscription delivers quality sound quality for every journey.

The X31 Off-Road Package equips this truck for varied terrain with hill descent control and a 2-speed active transfer case. Heated door mirrors, LED cargo area lighting, and a spray-on pickup bedliner with GMC logo provide functional refinement. Automatic emergency braking, forward collision alert, and lane departure warning contribute to confident operation.

Select Shield includes a 3-month or 3,000-mile limited warranty on select vehicles, valid in all 50 states. New vehicles receive coverage beginning after the manufacturer's basic warranty ends. Excludes as-is, tax, tow, salvage, or lemon law vehicles. Vehicle information, options, and features may vary. Verify all details with the dealer. See dealer for complete details.