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2026 GMC® Sierra 1500
AT4
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Description
Meet the 2026 GMC Sierra 1500 AT4—a powerful crew cab pickup engineered for serious capability and refined comfort. This white Crew Cab Short Box delivers commanding presence with a 6.2L EcoTec3 V8 engine, 10-speed automatic transmission, and full 4WD capability. Inside, jet black leather with Kalahari accents creates a premium cabin, while a comprehensive technology package keeps you connected and in control on every drive.
Premium Features Include:
- Power sunroof and technology package
- 6.2L V8 with dual sport-mode active exhaust
- AT4 premium and preferred packages
- Premium Bose 7-speaker sound system with SiriusXM
- Apple CarPlay and Android Auto compatibility
- Wireless charging and Wi-Fi hotspot capable
- Heated and ventilated leather front seats with power adjustment
- HD surround vision with multiple camera systems
- 20" machined aluminum wheels and spray-on bedliner
- Advanced safety technology including automatic emergency braking and lane keep assist
This Sierra AT4 combines work-ready engineering with luxury touches—delivering 15 city and 19 highway MPG. Whether you're tackling rugged terrain or enjoying highway drives, the available off-road suspension and integrated trailering system ensure you're prepared for any challenge. Visit Red Rock GMC today to experience this exceptional truck's commanding power and sophisticated interior firsthand.
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.
Dealership Information
Sunday
Closed
Monday
9:00am - 7:00pm
Tuesday
9:00am - 7:00pm
Wednesday
9:00am - 7:00pm
Thursday
9:00am - 7:00pm
Friday
9:00am - 7:00pm
Saturday
9:00am - 7:00pm
Disclaimer
To inquire about this vehicle or the contents of this disclaimer, we encourage you to call Red Rock GMC at (970) 840-0357. To contact Red Rock Auto Group instead, call us at (970) 645-3305.
*New, Used, Certified Pre-Owned vehicle pricing excludes Taxes, Title, Licensing, and or other State or Federal fees. Our vehicle information is updated through an automated system every 24 to 48 hours.
RECALL NOTICE: Some vehicles offered for sale may be subject to unrepaired manufacturer safety recalls. To determine the recall status of a vehicle, visit https://www.nhtsa.gov/recalls or click here.
Price
Prices shown excludes state taxes, registration fees, finance charges, emissions testing fees. Some customers may not qualify for all rebates and or incentives offered by the manufacturer or State and Federal government programs. Rebates are subject to residency restrictions. Vehicle information is updated through an automated system every 24 to 48 hours.
Vehicle Information
Vehicle photos provided by the manufacturer may not represent the actual vehicle offered for sale, accessories equipment and color may vary. Vehicle information is updated through an automated system every 24 to 48 hours.
Vehicle Availability
Vehicle information is updated through an automated system every 24 to 48 hours. Additionally, vehicles shown may be in the inventory of a partner dealership and or a dealership with shared ownership. If this is the case, the inventory can be made available to you at dealer's location within a reasonable time.
EPA Disclaimer
Fuel economy ratings and driving range figures are based on EPA estimates for new vehicles, and actual mileage and range may vary depending on factors such as driving conditions, vehicle maintenance, fuel quality, driving habits, and modifications. For used vehicles, the EPA estimates were generated when the vehicle was new, and actual fuel economy may differ more significantly due to factors like age, maintenance history, and vehicle condition. Therefore, EPA estimates should be used as a general guide for comparison purposes only and not as a guarantee of actual fuel economy or driving range, especially when considering used vehicles. For more information please visit http://www.fueleconomy.gov/feg/label/learn-more-PHEV-label.shtml.
2026 GMC® Sierra 1500
AT4