Find your next pre-owned vehicle at Red Rock GMC. Our carefully selected inventory of used cars, trucks, and SUVs offers exceptional value, dependable quality, and competitive pricing. Whether you're searching for a reliable daily driver, a capable truck, or a family-friendly SUV, our team is here to help you find the right vehicle with a simple, transparent, and hassle-free buying experience.

- Duramax 6.6L V8 Turbodiesel engine with Allison 1000 6-Speed Automatic transmission
- 4WD with Electronic Shift Transfer Case
- Driver Alert Package with Lane Departure Warning and Forward Collision Alert
- Heavy-Duty Handling/Trailering Suspension Package
- Trailer Brake Controller and Trailering Equipment
- Navigation System with AM/FM/SiriusXM/HD Radio
- Premium Bose 7 Speaker Sound System with IntelliLink
- Heated and Ventilated Front Bucket Seats with Perforated Leather
- Power Sunroof
- Dual-Zone Automatic Climate Control with Heated Steering Wheel
- Dual 150 Amps and 220 Amps Each Alternator
- Hill Descent Control and Exhaust Brake
- OnStar 4G LTE Wi-Fi Hotspot with Guidance Plan
- 20" Chrome Cast Aluminum Wheels
- Apple CarPlay with Wireless Charging

This 2016 GMC Sierra 2500HD Denali brings substantial capability and refined comfort to the heavy-duty truck segment. The Duramax turbodiesel engine paired with the Allison automatic transmission delivers dependable power for work or recreation. With 4WD and the Electronic Shift Transfer Case, you'll navigate varied terrain with confidence.

The Denali trim elevates your driving experience with premium appointments throughout the cabin. Heated and ventilated leather bucket seats keep you comfortable in all seasons, while the dual-zone climate control allows driver and passenger to set preferred temperatures independently. The power sunroof adds natural light and an open-air feel to your workspace.

Technology features support both connectivity and safety. The navigation system integrates with Apple CarPlay and SiriusXM satellite radio for entertainment options on long hauls. The Driver Alert Package includes lane departure warning and forward collision alert to help keep you aware of potential hazards. Ultrasonic parking assist and a rear vision camera with dynamic guide lines assist with maneuvering and docking.

The trailering packages demonstrate serious capability. Heavy-duty handling suspension, trailer brake controller, and dedicated trailering equipment make this truck ready for substantial loads. The 4.10 rear axle ratio supports demanding towing applications. An exhaust brake helps control descent on long grades, adding a layer of control when working hard.

This Sierra 2500HD represents a thoughtful investment for those seeking a truck that balances work-ready toughness with refined daily-driver comfort. The combination of diesel efficiency, premium interior finishes, and comprehensive safety technology creates a vehicle built for sustained use and trusted performance.

Select Shield includes a 3-month or 3,000-mile limited warranty on select vehicles, valid in all 50 states. Excludes as-is, tax, tow, salvage, or lemon law vehicles. Vehicle information, options, and features may vary due to multiple data sources. Verify all details with the dealer. The dealer is not responsible for errors or omissions. See dealer for complete details.