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2025 GMC Sierra 2500HD AT4
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Gmc Cadillac Of Billings
Trim: AT4
Body Style: Truck
Fuel Type: Gasoline
Fuel Capacity: 35.9 gal
Recommended Fuel: 87 octane
Passenger Seating: 5
OEM Tire: LT275/65R20
Engine: 6.6L V8 401hp 464ft. lbs.
Engine HP: 401hp @5200 rpm
Engine Torque: 464 lb-ft. @4000 rpm
Towing Capacity: n/a
Max Towing Capacity**: 20,800 lbs
Max Payload: 3,433 lbs