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2026 GMC® Sierra 1500
AT4
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Description
The 2026 GMC Sierra 1500 AT4 represents modern truck excellence with serious capability and refined comfort. This Crew Cab Short Box delivers commanding presence in Beige exterior with a luxurious Jet Black interior accented in Kalahari. Powered by the EcoTec3 6.2L V8 with dual sport-mode active exhaust and mated to a 10-Speed Automatic transmission, the Sierra handles any task while maintaining composed performance. Four-wheel drive and AT4-specific off-road engineering make this truck equally capable on pavement and trail.
• Power Sunroof
• Premium Bose 7-Speaker Sound System with SiriusXM
• Heated and Ventilated Driver and Front Passenger Seats
• Apple CarPlay and Android Auto with Wireless Connectivity
• HD Surround Vision with Rear Camera Mirror
• Multicolor 15" Head-Up Display
• Wireless Charging Pad
• AT4 Premium Package with Off-Road Suspension
• Ultrasonic Front and Rear Park Assist
• Integrated Trailer Brake Controller with Hitch Guidance
This Sierra combines luxury appointments with purposeful truck engineering—a genuine standout in its class. Visit Red Rock GMC today to experience the Sierra 1500 AT4 firsthand and discover why it's the choice for those demanding more from their truck.
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.
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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
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*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