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
- AT4X AEV Edition with heavy-duty stamped steel AEV front and rear bumpers with recovery points
- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness
- 10-Speed Automatic transmission with 2-Speed Active Transfer Case and off-road suspension
- 18" AEV Salta Black Gloss Aluminum wheels with all-terrain capability
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- HD Surround Vision with bed view camera and trailer camera provisions
- Bose Premium Series 12-Speaker audio system with SiriusXM 360L
- Multicolor 15" Head-Up Display with advanced driver assistance features
- Heated and ventilated leather front seats with 16-way power adjustability
- Power moonroof with power sliding rear window
- Advanced safety tech including automatic emergency braking and lane departure warning
- Engine block heater and 220-amp alternator for cold weather reliability
- Spray-on pickup bedliner and remote vehicle starter system

The 2026 Sierra 2500HD AT4X stands ready to handle serious work and challenging terrain. The Duramax turbodiesel engine delivers substantial torque for towing and hauling, while the 2-Speed Active Transfer Case and off-road suspension give you confidence on rough ground. AEV-stamped steel bumpers with heavy-duty recovery points reflect a commitment to durability and capability built for demanding jobs.

This truck accommodates both work and comfort seamlessly. The cabin features full-grain leather seating with heated and ventilated capability, dual-zone climate control, and a heated steering wheel. The 15" Head-Up Display keeps critical information visible without distraction, while wireless charging and multiple USB ports ensure your devices stay ready throughout the day.

Technology enhances both safety and functionality. The HD Surround Vision system provides 360-degree awareness, the bed view camera with trailer camera provisions simplifies hitching operations, and trailer-specific features like tire pressure monitoring and side blind zone alerts support confident towing. The in-vehicle trailering system app puts comprehensive information at your fingertips.

Prepared for specialized hauling, the gooseneck and 5th wheel prep package includes a hitch platform with bed-mounted harness, making it straightforward to connect heavy equipment trailers when needed. The truck's architecture and suspension tuning provide the foundation for serious pulling capacity and controlled handling under load.

Built for the demands of professional and personal use, this Sierra 2500HD AT4X represents Professional Grade capability backed by thoughtful engineering and premium materials throughout.

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.