Used 2026 GMC Sierra HD for sale in Tustin
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What was with this car history VIN 1GT4UZEY0TF132251?
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2026 GMC Sierra 2500 HD Crew Cab AT4X Pickup 4D 6 Ft - Ultimate Heavy-Duty Luxury & CapabilityThis 2026 GMC Sierra 2500 HD AT4X is the perfect combination of luxury, off-road capability, and serious heavy-duty performance. Finished in an aggressive, commanding stance, the AT4X trim represents the top-tier off-road package in the Sierra HD lineup built for those who demand premium comfort without sacrificing power or rugged capability.Powered by a 6.6L V8 paired to a 10-speed automatic transmission, this Sierra HD delivers the muscle you expect whether you're towing, hauling, working, or heading off the beaten path. The Crew Cab configuration with the 6-foot bed offers the ideal balance of passenger space, practicality, and everyday usability. GMC offers the AT4X with premium off-road hardware including a factory lift, Multimatic DSSV dampers, locking differential, skid plates, and aggressive 35-inch off-road tires, making it one of the most capable heavy-duty trucks on the road.Inside, the cabin feels more luxury SUV than work truck, featuring premium materials, upscale finishes, heated and ventilated seating, advanced technology, a large infotainment display, premium audio, and GMC's signature driver-focused layout. The AT4X trim also adds exclusive styling, premium leather interior appointments, and serious trail-ready engineering.Key Highlights: AT4X Premium Off-Road Package Crew Cab Configuration 6 Ft Bed Factory Lifted Suspension Multimatic DSSV Suspension System Locking Differential & Skid Plates Premium Luxury Interior Large Touchscreen Infotainment System Heavy-Duty Towing & Hauling CapabilityHill Start Assist,4WD,Surround View Camera,F&R Park Assist,Navigation System,Lane Departure Warning System,Power Windows,V8 Turbo Diesel 6.6 Liter,Keyless Entry,Bose Premium Sound System,Heated & Ventilated Seats,Power Steering,Hill Descent Control,StabiliTrak,Full Leather,Head-Up Display,SiriusXM Satellite,Bed Liner,Traction Control,Running Boards,Adaptive Cruise Control,Premium Wheels,F&R Head Curtain Air Bags,LED Headlamps,OnStar,Automatic 10-Spd Allison,Bluetooth Wireless,Theft Deterrent System,Forward Collision Alert,Dual Air Bags,Fog Lights,Premium GMC Infotainment System,Side Air Bags,Daytime Running Lights,Backup Camera,Air Conditioning,Dual Power Seats,Push Button Start,Tailgate Radio System by Kicker,Power Door Locks,ABS (4-Wheel),Power Sun Roof,Sierra HD Pro Safety,Power Sliding Rear Window,Towing Pkg,Side Blind Zone Alert,Power Tailgate Release,Tilt & Telescoping Wheel
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2,263 miles away from you!
Location: 14711 Bentley Circle, Tustin, CA 92780
Phone: (194) 920-8961
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Frequently Asked Questions About the 2026 GMC Sierra HD
The average price of a used 2026 GMC Sierra HD is $76,117 based on 2,790 listings currently available nationwide. Prices range from $10,000 to $119,992 depending on mileage, condition, and location. This particular Sierra HD in Tustin, CA is listed at $92,995.
Used 2026 GMC Sierra HD vehicles on our marketplace have an average of 17,242 miles. This specific vehicle has 2,555 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 86,169 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.