Engineering passport
Specifications
Powertrain
Engineering details
Engine6.6L turbo-diesel V8
Displacement6.6 L
Cylinders8
FuelDiesel
Transmission6-speed Allison Automatic
DrivetrainRWD
Performance
Numbers that matter
Power392 hp
Torque765 Nm
Fuel tank136 L
Dimensions & body
Length6094 mm
Width2032 mm
Height1958 mm
Wheelbase3886 mm
BodyPickup
Doors4
Seats6
STORY
The Sierra 2500HD is GMC's three-quarter-ton heavy-duty pickup, engineered for higher payload and towing than the half-ton Sierra 1500. It is offered with gasoline V8s and the Duramax turbo-diesel V8 paired to the Allison transmission, a combination prized for heavy trailering. The truck shares its heavy-duty architecture with the Chevrolet Silverado 2500HD.
Price Evolution
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