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 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- Denali Reserve Package with Technology Package and power sunroof
- 13.4" GMC Premium Information Display with 15" Multicolor Head-Up Display
- Bose Premium 7-Speaker sound system with SiriusXM 360L
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- 12-Way power driver and passenger seats with lumbar adjustment and ventilation
- Heated and ventilated front seats with heated rear seats
- Power-retractable assist steps with LED perimeter lighting
- Signature Chrome Denali grille with spray-on bedliner
- 20" ultra-bright machined alloy wheels
- Wireless phone projection and wireless charging
- Automatic Emergency Braking with Forward Collision Alert
- Ultrasonic front and rear park assist with rear cross traffic alert

The 2026 Sierra 3500HD Denali represents the pinnacle of heavy-duty capability paired with refined luxury. Built on a foundation of Professional Grade engineering, this truck delivers the power and performance needed for demanding work while providing the comfort and sophistication you deserve on every drive.

Finished in Silver, this Sierra 3500HD commands attention with its distinctive Denali styling. The power-retractable assist steps with LED perimeter lighting enhance both functionality and appearance, while the spray-on pickup bedliner protects your investment. The signature Chrome Denali grille sets this truck apart on the road.

Under the hood, the legendary Duramax 6.6L V8 Turbodiesel engine provides exceptional towing and hauling capability with 975 lb-ft of torque, while the 2-speed active transfer case and off-road suspension handle challenging terrain. The engine block heater and 220-amp alternator ensure reliable cold-weather performance and dependable power generation.

Inside, the Denali Reserve Package delivers a commanding driving position with the 13.4" GMC Premium Information Display and an impressive 15" multicolor head-up display keeping crucial information in your line of sight. The 12-way power driver and passenger seats with lumbar support and ventilation ensure comfort on long hauls, while heated steering wheel and wireless charging add modern convenience.

The advanced technology suite includes HD Surround Vision with bed view camera and trailer camera provisions, making parking and backing up intuitive and precise. Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert work together to keep you aware of your surroundings. The Bose Premium sound system with SiriusXM 360L trial subscription transforms every journey.

You'll find this Sierra 3500HD ready to transform your work and lifestyle. Contact our team at Red Rock GMC to schedule your test drive and experience Professional Grade capability firsthand.

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.