DURAMAX DIESEL POWER. AT4 OFF-ROAD CAPABILITY. PREMIUM GMC LUXURY. Built for drivers who demand serious capability without giving up comfort, this 2026 GMC Sierra 2500HD AT4 4WD delivers an exceptional combination of heavy-duty Duramax diesel performance, off-road confidence, and premium features. Finished in Summit White with a bold Jet Black leather interior accented in Kalahari, this truck makes a statement before it ever gets to work. Under the hood, the legendary Duramax 6.6L V8 Turbodiesel is paired with a smooth and capable 10-speed automatic transmission, while 4WD, off-road suspension, hill descent control, and an exhaust brake help provide confidence across demanding terrain and changing conditions. With just 20,833 miles, this Sierra is ready for the next job, adventure, or long haul. Key Features: Duramax 6.6L V8 Turbodiesel 4-Wheel Drive 10-Speed Automatic Transmission AT4 Off-Road Suspension Exhaust Brake Hill Descent Control Power Sunroof Leather Seating with Jet Black/Kalahari Accents 10-Way Power Driver and Passenger Seats with Lumbar Support Driver Memory Settings Remote Vehicle Start Power Sliding Rear Window with Defogger Spray-On Bedliner with GMC Logo Bose Premium 7-Speaker Sound System Premium GMC Infotainment System SiriusXM with 360L Trial Subscription Lane Departure Warning OnStar Emergency Communication Services Rain-Sensing Wipers Deep-Tinted Glass Premium Front and Rear Floor Liners From the Duramax diesel powertrain to the AT4 off-road capability and premium interior, this 2026 GMC Sierra 2500HD AT4 is built to handle demanding work and serious adventure in style. Schedule your test drive today and experience the power, capability, and premium comfort this Sierra has to offer.Read full dealer descriptionHide dealer description
DURAMAX DIESEL POWER. AT4 OFF-ROAD CAPABILITY. PREMIUM GMC LUXURY. Built for drivers who demand serious capability without giving up comfort, this 2026 GMC Sierra 2500HD AT4 4WD delivers an exceptional combination of heavy-duty Duramax diesel performance, off-road confidence, and premium features. Finished in Summit White with a bold Jet Black leather interior accented in Kalahari, this truck makes a statement before it ever gets to work. Under the hood, the legendary Duramax 6.6L V8 Turbodiesel is paired with a smooth and capable 10-speed automatic transmission, while 4WD, off-road suspension, hill descent control, and an exhaust brake help provide confidence across demanding terrain and changing conditions. With just 20,833 miles, this Sierra is ready for the next job, adventure, or long haul. Key Features: Duramax 6.6L V8 Turbodiesel 4-Wheel Drive 10-Speed Automatic Transmission AT4 Off-Road Suspension Exhaust Brake Hill Descent Control Power Sunroof Leather Seating with Jet Black/Kalahari Accents 10-Way Power Driver and Passenger Seats with Lumbar Support Driver Memory Settings Remote Vehicle Start Power Sliding Rear Window with Defogger Spray-On Bedliner with GMC Logo Bose Premium 7-Speaker Sound System Premium GMC Infotainment System SiriusXM with 360L Trial Subscription Lane Departure Warning OnStar Emergency Communication Services Rain-Sensing Wipers Deep-Tinted Glass Premium Front and Rear Floor Liners From the Duramax diesel powertrain to the AT4 off-road capability and premium interior, this 2026 GMC Sierra 2500HD AT4 is built to handle demanding work and serious adventure in style. Schedule your test drive today and experience the power, capability, and premium comfort this Sierra has to offer.
DURAMAX DIESEL POWER. AT4 OFF-ROAD CAPABILITY. PREMIUM GMC LUXURY. Built for drivers who demand serious capability without giving up comfort, this 2026 GMC Sierra 2500HD AT4 4WD delivers an exceptional combination of heavy-duty Duramax diesel performance, off-road confidence, and premium features. Finished in Summit White with a bold Jet Black leather interior accented in Kalahari, this truck makes a statement before it ever gets to work. Under the hood, the legendary Duramax 6.6L V8 Turbodiesel is paired with a smooth and capable 10-speed automatic transmission, while 4WD, off-road suspension, hill descent control, and an exhaust brake help provide confidence across demanding terrain and changing conditions. With just 20,833 miles, this Sierra is ready for the next job, adventure, or long haul. Key Features: Duramax 6.6L V8 Turbodiesel 4-Wheel Drive 10-Speed Automatic Transmission AT4 Off-Road Suspension Exhaust Brake Hill Descent Control Power Sunroof Leather Seating with Jet Black/Kalahari Accents 10-Way Power Driver and Passenger Seats with Lumbar Support Driver Memory Settings Remote Vehicle Start Power Sliding Rear Window with Defogger Spray-On Bedliner with GMC Logo Bose Premium 7-Speaker Sound System Premium GMC Infotainment System SiriusXM with 360L Trial Subscription Lane Departure Warning OnStar Emergency Communication Services Rain-Sensing Wipers Deep-Tinted Glass Premium Front and Rear Floor Liners From the Duramax diesel powertrain to the AT4 off-road capability and premium interior, this 2026 GMC Sierra 2500HD AT4 is built to handle demanding work and serious adventure in style. Schedule your test drive today and experience the power, capability, and premium comfort this Sierra has to offer.
Good Deal vs nationwide market
Fewer than five local matches were available within 150 miles, so the deal score uses 5 approved listings with the same year, make, model, and trim with the closest reported mileage nationwide.
Good Deal
$6.3K below nationwide median
This unit
$70,598
Local median
Limited data
0 within 150 miles
Nationwide median
$76,937
5 comparable units
Price history
New
Dealer price movementTracking started
This unitNationwide middle 50%
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Estimated payment
$63,598 financed
Estimate only. Excludes taxes, title, registration, dealer fees, add-ons, insurance, and lender requirements. RidesMarket is not a lender.
Truck Specifications
Engine
6.6L Duramax Turbo-Diesel V8 engine
Transmission
Automatic
Drivetrain
Four Wheel Drive
Fuel
Diesel Fuel
Exterior
White
Interior
Jet Black with Kalahari accents, Perforated Front Leather seat trim
Doors
4
Body Style
Truck
Features & Equipment
Equipment is supplied by the dealer. Confirm installed options on the dealer listing or window sticker.
Safety and driver assistance
Adaptive Cruise Control
Backup Camera
Blind Spot Monitor
Forward Collision Warning
Lane Departure Warning
Parking Sensors / Assist
Side-Impact Air Bags
Comfort and convenience
Automatic Climate Control
Keyless Entry
Leather Seats
Power Seats
Sunroof / Moonroof
Compare Other Years & Trims
Live GMC Sierra 2500 HD units from approved dealer inventory.
The chart range uses current approved inventory nationwide. Local pricing may differ. Taxes, fees, incentives, vehicle history, and equipment can affect actual value.
