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2025 GMC Sierra 2500HD AT4
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Recent Arrival! 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather. 2025 GMC Sierra 2500HD AT4 4WD 4D Crew Cab Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Summit White
Trim: AT4
Body Style: Truck
Fuel Type: Bio Diesel
Fuel Capacity: 35.9 gal
Recommended Fuel: n/a
Passenger Seating: 5
OEM Tire: LT275/65R20
Engine: Duramax 6.6L Biodiesel Turbo V8 470hp 975ft. lbs.
Engine HP: 470hp @2800 rpm
Engine Torque: 975 lb-ft. @1600 rpm
Towing Capacity: n/a
Max Towing Capacity**: 20,800 lbs
Max Payload: 3,433 lbs