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 10-Speed Automatic Transmission
- 4WD with 2-Speed Active Transfer Case
- One Owner Vehicle
- Gooseneck/5th Wheel Prep Package with Hitch Platform
- Signature Denali Ultimate Grille in Vader Chrome
- Heated and Ventilated Front Seats with 16-Way Power Adjusters
- Heated Rear Outboard Seats
- Power Sunroof
- Spray-On Pickup Bedliner with GMC Logo
- 120-Volt Bed Mounted and Instrument Panel Power Outlets
- Bose Premium Series 12-Speaker System with SiriusXM 360L
- Multicolor 15" Head-Up Display
- HD Surround Vision with Bed View Camera and Hitch Guidance
- Wireless Phone Projection and Charging
- Trailer Side Blind Zone Alert with Tire Pressure Monitor Sensors

This 2025 Sierra 3500HD Denali Ultimate represents serious capability paired with premium comfort. The Duramax 6.6L Turbodiesel engine delivers the torque and reliability you expect from this legendary powerplant, while the 10-speed automatic transmission optimizes performance across all driving conditions. With four-wheel drive and the 2-speed active transfer case, you have the traction control you need in various terrain and weather situations.

The Gooseneck/5th Wheel Prep Package comes factory-installed and ready for your heavy-duty towing needs. The hitch platform, stamped bed holes with removable caps, and 7-pin trailer harness provide a solid foundation for serious hauling applications. Combined with the ProGrade Trailering System and trailer camera provisions, this truck is engineered for demanding work.

Interior refinement meets practical capability in the Denali Ultimate cabin. Heated and ventilated front seats with full grain leather upholstery and 16-way power adjusters ensure all-day comfort, while rear passengers enjoy heated outboard seating. The power sunroof adds brightness and airiness to the premium environment. The 15-inch multicolor head-up display keeps critical information visible without distracting from the road ahead.

Technology integration enhances both convenience and safety. The Bose premium 12-speaker audio system with SiriusXM 360L provides quality sound for your drive, while wireless phone projection and charging keep connected devices powered and accessible. The HD Surround Vision system with bed view camera and hitch guidance makes maneuvering and parking this substantial truck noticeably easier. Rear cross traffic alert and trailer side blind zone alert add confidence to your awareness of surrounding traffic.

Practical features demonstrate attention to how you actually use a truck like this. Twin 120-volt power outlets—one in the bed and one in the instrument panel—keep tools and equipment powered on the job site. The spray-on bedliner with GMC logo protects your investment from daily wear. Cargo tie-down rings give you secure anchoring points, while the high idle switch serves heavy-duty work requirements.

This is a one-owner vehicle with 21,775 miles, representing a truck that has been owned and maintained carefully. The White Frost Tricoat paint and body color wheel arch moldings contribute to a striking appearance that commands attention, while the Vader Chrome Denali Ultimate grille signals premium positioning and capability.

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 t