This image is a stock photo and is not an exact representation of any vehicle offered for sale. Advertised vehicles of this model may have styling, trim levels, colors and optional equipment that differ from the stock photo.
2025 GMC Sierra 3500HD Denali Ultimate
Payment Calculator
Loan Payment
At Key Buick GMC, you win! 2025 GMC Sierra 3500HD Denali Ultimate Onyx Black 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Alpine Umber Leather. We believe there is more to buying a vehicle than worrying about the price. For that reason, Key Auto has simplified that process for our customers. When we price a vehicle, we take the following into consideration: 1) market conditions, 2) what the area dealers are selling them for, 3) NADA retail value. This way, when you leave a Key Auto Dealership, youre confident youve received the absolute best deal.
Trim: Denali Ultimate
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**: 30,700 lbs
Max Payload: 5,224 lbs