Price
2026 GMC® Sierra 2500HD
AT4
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
Meet the 2026 GMC Sierra 2500HD AT4, a bold white workhorse built for serious performance and refined capability. This heavy-duty truck combines Professional Grade construction with premium comfort and cutting-edge technology to handle whatever you demand. With the potent Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this 4WD Sierra delivers the raw power and efficiency serious truck owners expect.
Key Features & Capabilities:
– Duramax 6.6L V8 Turbodiesel with Max Trailering Package
– Power-Retractable Black Assist Steps and all-weather floor liners
– Engine block heater and 220-amp alternator for extreme conditions
– 20" High Gloss Black Aluminum Wheels
– Heated and ventilated leather-appointed front seats with 10-way power adjustment
– Premium GMC Infotainment System with Apple CarPlay and Android Auto
– Advanced safety: Automatic Emergency Braking, HD Surround Vision, and trailer monitoring
– Multicolor 15" Head-Up Display and wireless charging
– Remote Vehicle Starter System and keyless open/start
This Sierra AT4 combines rugged off-road capability with upscale interior refinement, making it ideal for both work and weekend adventures. The comprehensive suite of driver-assistance technologies, premium audio, and thoughtful comfort features set this truck apart. Visit Red Rock GMC today to experience the power, precision, and Professional Grade quality that defines the Sierra 2500HD.
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 2500HD
AT4