2012 GMC Sierra 3500 Pickup-V8

2WD Ext Cab 158.2" SLT

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Specs & Performance

Engine Specifications

Engine Horsepower Torque
VORTEC 6.0L VARIABLE VALVE TIMING V8 SFI E85-COMPATIBLE, FLEXFUEL 322 @ 4400 RPM 380 @ 4200 RPM
DURAMAX 6.6L TURBO DIESEL V8, B20-DIESEL COMPATIBLE 397 @ 3000 RPM 765 @ 1600 RPM
DURAMAX 6.6L V8 TURBO DIESEL V8, B20-DIESEL COMPATIBLE 335 @ 3100 RPM 685 @ 1600 RPM
Max Towing Capacity 9,100 lbs

Drivetrain

Drivetrain Rear Wheel Drive
Transmission
  • 6-Speed Automatic, Heavy-Duty, Electronically Controlled
  • Allison 1000 6-Speed Automatic, Electronically Controlled

MPG (Miles Per Gallon)

Fuel Tank Capacity, Approx 36 gal
Engine Transmission EPA Fuel Economy Est (MPG)
VORTEC 6.0L VARIABLE VALVE TIMING V8 SFI E85-COMPATIBLE, FLEXFUEL 6-Speed Automatic, Heavy-Duty, Electronically Controlled MPG estimates not available
DURAMAX 6.6L TURBO DIESEL V8, B20-DIESEL COMPATIBLE Allison 1000 6-Speed Automatic, Electronically Controlled MPG estimates not available
DURAMAX 6.6L V8 TURBO DIESEL V8, B20-DIESEL COMPATIBLE Allison 1000 6-Speed Automatic, Electronically Controlled MPG estimates not available

Weight Information

Curb Weight 6,667 lbs
Gross Vehicle Weight Rating 13,000 lbs
Max Payload 6,333 lbs

Interior Specifications

Passenger Capacity 5
Front Head Room (in) 41.1
Front Leg Room (in) 41.3
Front Shoulder Room (in) 65.2
Front Hip Room (in) 60.3
Second Head Room (in) 39.5
Second Leg Room (in) 34.3
Second Shoulder Room (in) 65.3
Second Hip Room (in) 61.9

Exterior Specifications

Turning Diameter - Curb to Curb (ft) 52.8
Turning Diameter - Wall to Wall (ft) - TBD -
Wheelbase (in) 158.2
Length, Overall w/o rear bumper (in) 249.5
Width, Max w/o mirrors (in) 95.9
Height, Overall (in) 77.4
Overhang, Front (in) 38.8
Overhang, Rear w/o bumper (in) 52.6
Front Bumper to Back of Cab (in) 141.4
Cab to Axle (in) 56.0
Cab to End of Frame (in) - TBD -
Ground to Top of Load Floor (in) 37.9
Ground to Top of Frame (in) - TBD -
Frame Width, Rear (in) - TBD -
Ground Clearance, Front (in) 9.7
Ground Clearance, Rear (in) 8.7

Wheels

Front Wheel Material Steel
Rear Wheel Material Steel

Tires

Front Tire Size LT235/80R17E
Rear Tire Size LT235/80R17E
Spare Tire Size

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