Price
2026 GMC® Sierra 2500HD
AT4X
Confirm Availability
Estimate your payment
Get a quick payment estimate based on basic loan terms.
Basic information
Stock #
VIN
What's your vehicle worth?
Get an estimate of your vehicle's trade-in value, based on real local market data — in under 30 seconds.
Powered by
Description
The 2026 GMC Sierra 2500HD AT4X delivers serious capability wrapped in refined luxury. With its powerful Duramax 6.6L V8 Turbodiesel engine, 10-speed automatic transmission, and 4WD capability, this crew cab standard bed truck is engineered for towing, hauling, and navigating challenging terrain. The AT4X AEV Edition adds genuine off-road credentials with a high approach stamped steel AEV front bumper and specially tuned suspension, while gooseneck and fifth-wheel prep packages make it ready for serious trailers.
Step inside to Obsidian Rush leather seating, premium comfort, and advanced technology. This Sierra features a 15-inch head-up display, wireless phone projection, Apple CarPlay, and an industry-leading suite of safety features including automatic emergency braking, rear cross traffic alert, and surround vision cameras. Power adjustable seats with lumbar support, heated and ventilated front seating, and a power sunroof elevate every drive. The Bose premium audio system and SiriusXM satellite radio keep you entertained mile after mile.
Key Features:
- Duramax 6.6L V8 Turbodiesel with 10-speed automatic transmission
- 4WD with 2-speed active transfer case and off-road suspension
- AT4X AEV Edition with high approach front bumper and rear bumper
- Gooseneck/5th wheel prep package with hitch platform
- Multicolor 15-inch head-up display
- Wireless charging and Apple CarPlay/Android Auto
- Heated and ventilated front seats with 16-way power adjustment
- Bose 12-speaker premium audio system with SiriusXM 360L
- Automatic emergency braking and surround vision cameras
- Bed view camera with trailer camera provisions
Built for those who demand premium capability without compromise, the AT4X is ready to work hard and comfort you completely. Visit Red Rock GMC to experience this remarkable truck firsthand and discuss financing options that fit your needs.
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
Red Rock GMC
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 2500HD
AT4X