New 2026 GMC Sierra 2500HD AT4X
- Truck
- Pickup
- Crew Cab
- Heavy Hauler
- Extended Front Legroom
- Vaulted Headroom
- Condition
- New
- Mileage
- 1miles
- Aggregate Ratings
- 3.63.6 out of 5 stars
- Generation
- 4(2020 - 2026)
- Trim
- AT4X
- Drivetrain
- 4X4
- Transmission
- 10-Speed Shiftable Automatic
- Exterior Color
- Coastal Dune (White)Factory Paint Code:G42
- Interior Color
- Obsidian Rush (Black)Factory Paint Code:H9J
- Upholstery
- Leather
- Size Segment
- Heavy Duty
- Doors
- 4
- Max Seating
- 5
- Max Towing Capacity
- 18,500lbs.
- Weight Class
- 10,000-14,000 lbs. (3)
- Bed Length
- 82.2in.
- Ground Clearance
- 11.6inch
- Final Assembly Point
- Flint, Michigan
- VIN
- 1GT4UZEY6TF280310
- Starting MSRP
- $85,200
Engine6.6L V8 Bio Diesel 470hp
- Fuel Type:Bio Diesel
- Max Horsepower:470 hp @ 2800 rpm
- Power to Weight Ratio:15.96lbs/hp
- Max Torque:975 ft.lbf @ 1600 rpm
- Brand:Duramax
- Displacement:6.6liters
- Block Type:V
- Cylinders:8
- Aspiration:Turbo
- Fuel Induction:Common Rail Direct Injection
- Oil Capacity:9.5liters
- Cam Type:OHV
- Stroke:3.9
- Bore:4.06
- Valves:32
Message from the seller
Elevate your driving experience with the all-new 2026 GMC Sierra 2500HD AT4X. This exceptional heavy-duty pickup combines uncompromising capability with a refined, premium interior that redefines what's possible in a work-ready truck.
This Sierra 2500HD AT4X comes equipped with a robust Duramax 6.6L V8 Turbodiesel engine, delivering a remarkable 470 horsepower and an astounding 975 lb-ft of torque. Paired with a responsive 10-speed automatic transmission and a rugged 4-wheel drive system, this powertrain provides the muscle to tackle the toughest jobs with ease. Whether you're hauling heavy payloads or towing your most prized possessions, the Sierra 2500HD AT4X is engineered to handle it all with confidence and capability.
- Duramax 6.6L V8 Turbodiesel engine (B20-Diesel Compatible)
- Bose Premium Series 12-Speaker System
- Driver Memory
- Heads-Up Display
- HD Surround Vision
- Wireless Charging
- Hill Descent Control
- Ventilated Driver and Front Passenger Seats
- Power moonroof
- In-Vehicle Trailering System App
Step inside the Sierra 2500HD AT4X and experience a cabin that redefines the meaning of premium. Luxurious full-grain leather seating, heated and ventilated front seats, and a 16-way power driver's seat with memory settings provide unparalleled comfort and support. The Multicolor 15'' Diagonal Head-Up Display keeps critical information right in your line of sight, while the Bose Premium Series 12-Speaker System delivers a concert-hall-quality audio experience.
Elevate your capability with the Sierra 2500HD AT4X's off-road-focused features, including an Off-Road Suspension, Hill Descent Control, and an advanced 2-Speed Active Transfer Case. The Spray-on Pickup Bedliner with GMC Logo and Rear Wheelhouse Liners ensure your truck is ready to handle the toughest jobs, while the in-Vehicle Trailering System App makes hitching and maneuvering your trailer a breeze.
Safety is paramount in the Sierra 2500HD AT4X, with advanced driver-assist technologies like Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert keeping you and your passengers protected. The Ultrasonic Front and Rear Park Assist and Trailer Side Blind Zone Alert further enhance your confidence behind the wheel, whether navigating tight spaces or towing a heavy load.
Elevate your driving experience and discover the uncompromising capability of the 2026 GMC Sierra 2500HD AT4X. Schedule a test drive today and see why this heavy-duty truck is the perfect partner for your toughest jobs and greatest adventures.
This New 2026 GMC Sierra 2500HD AT4X is available for drivers in Yankton, Vermillion ...