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 capability
- Premium GMC Infotainment System with 13.4" diagonal display
- Bose Premium 7-Speaker Sound System with SiriusXM 360L
- Heated and ventilated front seats with 10-way power adjustment and lumbar support
- Heated rear outboard seats with split-folding rear seat
- Spray-on pickup bedliner with GMC logo and 120V bed-mounted power outlet
- X31 Off-Road Package with 2-speed active transfer case
- HD Surround Vision with bed view camera and trailer provisions
- Automatic emergency braking with forward collision alert and pedestrian braking
- Ultrasonic front and rear park assist
- Wireless charging and wireless phone projection
- 20" high gloss black aluminum wheels
- Heated steering wheel with steering wheel-mounted audio controls
- OnStar Services capability with emergency communication system

The 2026 GMC Sierra 3500HD AT4 delivers the Professional Grade capability you expect from GMC, backed by a legendary diesel engine designed for demanding work and towing. The Duramax turbodiesel offers substantial torque and power while the 10-speed automatic transmission and 4WD system provide control across all terrains and conditions. Whether you're managing job sites or handling serious hauling, this truck's foundation is built for real work.

Your comfort matters on longer drives and daily commutes alike. Dual-zone automatic climate control, heated and ventilated front seats with power lumbar support, and a heated steering wheel create a premium driving environment. The premium leather-trimmed front seats and heated rear outboard seating ensure your passengers stay comfortable too. Memory seat settings let you customize your position perfectly.

Technology integration keeps you connected and in control. The Premium GMC Infotainment System features a generous 13.4-inch display with wireless phone projection and wireless charging. The Bose premium audio system with SiriusXM 360L delivers exceptional sound quality for your daily drive. Steering wheel-mounted audio controls keep essential functions at your fingertips without distraction.

Safety features provide confidence behind the wheel. Automatic emergency braking, forward collision alert with pedestrian braking, lane departure warning, and a comprehensive airbag system protect you and your passengers. HD Surround Vision with multiple camera provisions including bed view and trailer cameras give you complete visibility during complex maneuvers. Ultrasonic front and rear park assist, rear cross traffic alert, and trailer side blind zone alert add extra layers of awareness.

The bed accommodates your work with a spray-on bedliner featuring the GMC logo, a 120V bed-mounted power outlet, and camera provisions for trailers. The pickup bed pairs with the truck's substantial towing and payload capacity to handle serious jobs. The X31 Off-Road Package with 2-speed active transfer case and hill descent control prepares you for challenging terrain while maintaining stability and control.

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.