Used 2026 GMC Sierra HD for sale in Helena
31 photos
Vehicle Details
18 km
Automatic
4WD
Diesel
6.6L 8 Cylinder Engine
8 Cylinder
Pickup
Owners
What was with this car history VIN 1GT4UNEY5TF239322?
Popular features
Seller description
Heated Leather Seats, Nav System, Onboard Communications System, Satellite Radio, Back-Up Camera, 4x4, Aluminum Wheels, TAILGATE, GMC MULTIPRO TAILGATE, Hitch. SLT trim, Summit White exterior and Dark Walnut/Slate interior. CLICK ME!KEY FEATURES INCLUDELeather Seats, 4x4, Heated Driver Seat, Back-Up Camera, Satellite Radio, Onboard Communications System, Trailer Hitch, Aluminum Wheels, Remote Engine Start, Dual Zone A/C, WiFi Hotspot, Heated Seats, Heated Leather Seats Keyless Entry, Privacy Glass, Steering Wheel Controls, Heated Mirrors, Alarm. OPTION PACKAGESENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), LPO, ASSIST STEP AND FLOOR LINER PACKAGE includes (RIA) All-weather floor liner, LPO and choice of assist step (VXH) 6" Chrome rectangular tubular assist step, LPO or (VXJ) 4" Chrome round tubular assist step, LPO on SLE, TAILGATE, GMC MULTIPRO TAILGATE with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details, AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE includes color touch-screen, multi-touch display, AM/FM stereo, Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto® and Apple CarPlay® capability for compatible phones (STD), TRANSMISSION, 10-SPEED AUTOMATIC. GMC SLT with Summit White exterior and Dark Walnut/Slate interior features a 8 Cylinder Engine with 470 HP at 2800 RPM*. MORE ABOUT USAt Chevrolet GMC of Helena, we are local people helping local people find the car, truck or SUV that meets their needs and at a fair price. In fact, it is our promise that if you find a lower advertised price on a comparable vehicle in the 4 state area we will refund you the difference. Our customers are very important to us and it is our goal that they be 100% satisfied when doing business with us from the sales process to servicing their vehicle and doing right the first time. Price does not include title, license, or dealer doc fees. Price contains all applicable dealer incentives and non-limited factory rebates. You may qualify for additional rebates; see dealer for details.
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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 Helena, MT is listed at $80,825.
Used 2026 GMC Sierra HD vehicles on our marketplace have an average of 14,593 miles. This specific vehicle has 11 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.
