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 470 hp and 975 lb-ft of torque
- One owner vehicle
- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness
- AT4 Premium Plus Package with power sunroof and Technology Package
- Integrated Trailer Brake Controller and Hitch Guidance with Hitch View
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Adaptive Cruise Control with Forward Collision Alert and Automatic Emergency Braking
- Heated and ventilated front seats with heated second row outboard seats
- Bose Premium 7-Speaker Sound System with SiriusXM 360L
- Wireless Phone Projection and Apple CarPlay/Android Auto compatibility
- Power-retractable assist steps with LED lighting
- 20-inch high-gloss black aluminum wheels
- Spray-on bedliner with AT4 logo
- Remote vehicle starter and push button start

This 2024 Sierra 2500HD AT4 combines capability with comfort in a package built for serious work and daily driving. The Duramax diesel engine delivers exceptional torque for hauling and towing, while the 10-speed automatic transmission ensures smooth power delivery across any terrain. With 4WD and the available X31 Off-Road Package, you'll navigate challenging conditions with confidence. The one-owner history reflects careful maintenance and responsible ownership.

Inside, the AT4 Premium Plus Package elevates your experience with a power sunroof, advanced technology features, and premium materials throughout. The Bose audio system keeps you connected with SiriusXM satellite radio, while wireless phone projection and Apple CarPlay integration make navigation and communication seamless. Climate control zones, heated and ventilated seating, and memory functions ensure every drive feels tailored to your preferences.

Safety and visibility are paramount in this truck. The HD Surround Vision system, rear cross traffic alert, and trailer side blind zone alert work together to keep you aware of your surroundings. Adaptive cruise control, lane departure warning, and automatic emergency braking provide additional layers of protection. The integrated trailer brake controller makes towing safer and more manageable, while the bed view camera with trailer provisions simplifies hitching and backing operations.

The gooseneck and 5th wheel prep package demonstrates this truck's versatility for owners with serious towing needs. The hitch platform, bed-mounted harness, and integrated trailering system app give you the infrastructure for heavy-duty hauling right out of the showroom. Combine this with the spray-on bedliner featuring the AT4 logo, and you have a truck ready for work or adventure.

With just over 40,000 miles, this truck remains relatively low-mileage and offers years of service ahead. The engine block heater, 220-amp alternator, and heavy-duty battery ensure reliable starts and consistent performance in all seasons. The power-retractable assist steps with LED lighting add practical convenience, while the gloss black header grille gives the truck a strong, distinguished appearance.

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.