• Combined MPG
    No data
  • Engine
    VORTEC 6.0L
  • Drivetrain
    RWD
  • Passengers
    3
  • Horsepower Ft3
    360
  • Torque Ft3
    380

Engine
VORTEC 6.0L VARIABLE VALVE TIMING V8 SFI, E85-COMPATIBLE, FLEXFUEL(Standard)
Horsepower Ft3
360 @ 5400 RPM
Torque
380 @ 4200 RPM

Other Engine Options

Engine
6.0L V8 SFI GASEOUS CNG/LPG CAPABLE
Engine
DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE
Horsepower Ft3
445 @ 2800 RPM
Torque
910 @ 1600 RPM
Max Towing Capacity
14,500 lbs

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

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

Air Bag-Frontal-Driver

Air Bag-Frontal-Passenger

Air Bag-Passenger Sensor

Air Bag-Side Body-Front

Air Bag-Side Head-Front

Air Bag-Side Head-Rear

Back-Up Camera

Brakes-ABS

Brakes-Type-4 Wheel DISC

Daytime Running Lights

Driver Restriction Features

Headlights-High Intensity Discharge

Stability Control

Traction Control

Air Conditioning-Front

Cruise Control

Max Seating Capacity: 3

Power Locks

Seat Trim-Cloth

Seat-Adjustable Lumbar-Driver

Seats-Front Bench-Split

Steering Wheel-Adjustable

Steering-Power

Telephone-Bluetooth Connection

Audio-AM/FM Stereo

Audio-Aux Input

Audio-MP3 Capability

Doors: 2

Tow Hooks

Front Tire Size: LT245/75R17E

Rear Tire Size: LT245/75R17E

Spare Tire Size

Front Wheel Size (in): 17 x 7.5

Rear Wheel Size (in): 17 x 7.5

Front Wheel Material: Steel

Rear Wheel Material: Steel

  • Curb Weight
    5,741 lbs
  • Gross Vehicle Weight Rating
    9,300 lbs
  • Max Payload
    3,559 lbs

  • Passenger Capacity
    3
  • Front Head Room (in)
    42.80
  • Front Leg Room (in)
    45.27
  • Front Shoulder Room (in)
    66.03
  • Front Hip Room (in)
    61.22

  • Turning Diameter - Curb to Curb (ft)
    45.9
  • Turning Diameter - Wall to Wall (ft)
    N/A
  • Wheelbase (in)
    133.60
  • Length, Overall w/o rear bumper (in)
    224.43
  • Width, Max w/o mirrors (in)
    80.12
  • Height, Overall (in)
    77.80
  • Overhang, Front (in)
    - TBD -
  • Overhang, Rear w/o bumper (in)
    - TBD -
  • Front Bumper to Back of Cab (in)
    117.10
  • Cab to Axle (in)
    55.16
  • Cab to End of Frame (in)
    - TBD -
  • Ground to Top of Load Floor (in)
    - TBD -
  • Ground to Top of Frame (in)
    - TBD -
  • Frame Width, Rear (in)
    - TBD -
  • Ground Clearance, Front (in)
    8.78
  • Ground Clearance, Rear (in)
    8.78

  • Basic
    3 years / 36000 miles
  • Drivetrain
    5 years / 60000 miles
  • Corrosion
    6 years / 36000 miles
  • Roadside Assistance
    5 years / 60000 miles

  • Vehicle Certification Criteria
    172-point inspection and reconditioning process
    6 model years or newer
    less than 75,000 miles
  • Warranty
    Powertrain 5 years/100,000 miles limited warranty from original in-service date
    Bumper-to-bumper 12 months/12,000 miles new-vehicel warranty extension after new-car warranty expires
    CPO industry exclusive 2 years/30,000 miles standard maintenance plan
    Roadside assistance and 24/7 courtesy transportation
  • Vehicle History Report Provided
    Yes
  • Deductible
    No
  • Transferrable
    Yes $0
  • Dealer Return/Exchange
    3 days/150 miles customer satisfaction guarantee

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Consumer Ratings

2018 GMC Sierra 2500HD
JD Power
79
Out of 100
The JD Power 100-Point Score is based on hundreds of thousands of independent and unbiased opinions of verified car owners.
See the 2018 GMC Sierra 2500HD model page for more details.