Used 2026 GMC Sierra HD for sale in Castle Rock
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Vehicle Details
5 km
Automatic
4WD
Diesel
6.6L Duramax Turbo-Diesel V8 eng
Unknown
Pickup
Owners
What was with this car history VIN 1GT4UNEY3TF157167?
Popular features
Seller description
Discover the unparalleled power and capability of the 2026 GMC Sierra 2500HD SLT. This rugged and refined pickup is engineered to handle the toughest jobs with effortless ease. - Engine Block Heater - Alternator, 220 AMP - 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (Includes (K05) Engine Block Heater) (470 hp [350.5 kW] at 2800 rpm, 975 lb-ft of torque [1322 Nm] at 1600 rpm) - SLT PREMIUM PACKAGE - TAILGATE, GMC MULTIPRO TAILGATE with six functional load/access features - LPO, ALL-WEATHER FLOOR LINER, 1ST AND 2ND ROWS (dealer-installed) - X31 OFF-ROAD PACKAGE Includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension, Twin-tube Rancho shocks and X31 hard badge This Sierra 2500HD SLT is equipped with a host of premium features that elevate your driving experience, including a Bose Premium 7-Speaker Sound System, Wireless Charging, Wireless Phone Projection, and much more. Enjoy the ultimate in comfort and convenience with heated and ventilated front seats, a heated steering wheel, and a power-sliding rear window. The Sierra 2500HD SLT also offers advanced safety technologies to give you peace of mind on the road. Features like Adaptive Cruise Control, Rear Cross Traffic Alert, and Trailer Cam Provisions with Trailer Viewing Software help you navigate with confidence. Whether you're tackling tough terrain or hauling heavy loads, the 2026 GMC Sierra 2500HD SLT is up for the challenge. Experience the unmatched capability and premium amenities that make this pickup a true standout in its class. Please visit our showroom to see this exceptional vehicle in person and take it for a test drive. We're confident you'll be impressed by its exceptional performance and refined, feature-rich design. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026 $500 - GM Military Cash Allowance Program. Exp. 01/04/2027 $903 Fuel Credit for Full Size Vehicle. See Dealer For Full Details. Expires 8/1/26.
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Frequently Asked Questions About the 2026 GMC Sierra HD
The average price of a used 2026 GMC Sierra HD is $69,222 based on 23,000 listings currently available nationwide. Prices range from $10,000 to $111,945 depending on mileage, condition, and location. This particular Sierra HD in Castle Rock, CO is listed at $75,191.
Used 2026 GMC Sierra HD vehicles on our marketplace have an average of 14,593 miles. This specific vehicle has 3 miles on the odometer. You can compare mileage across all available units on the GMC Sierra HD listings page.
Reliability varies by model year, maintenance history, and driving conditions. We recommend checking the vehicle history report and having an independent inspection before purchase.
The 2026 GMC Sierra HD runs on Diesel. Exact fuel economy figures vary by trim level and driving conditions. Check fueleconomy.gov for EPA estimates specific to this model year.
There are 769,898 used Pickup vehicles priced under $100,000 currently listed on our marketplace. Browse all options on the Used Pickup under $100,000 page. You can also narrow your search to Used GMC vehicles under $100,000 if you prefer to stay with the GMC brand.