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2012 GMC Sierra 3500 review

Research, photos, specs, and expertise

GMC Sierra 3500 highlights

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RepairPal reliability rating

Mileage (EPA estimate)

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All GMC Sierra 3500 years

What is new for the 2012 GMC Sierra 3500?

  • Sierra 3500 trims have been upgraded with A/C Seat(s), Heated Steering Wheel, Overhead Airbags, Rear View Camera, Side Airbags, Flex Fuel Vehicle, and Turbo Diesel Engine as standard equipment this year.
  • Fifth Wheel Tow Hitch, Gooseneck Tow Hitch, and SiriusXM Trial Available features are now available as options on select trims.
  • The Work Truck trim now comes with Cruise Control, Tow Hitch, and Satellite Radio Ready as standard equipment.

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Ratings & reliability

Customer ratings

The 2012 GMC Sierra 3500 is not yet rated. Help future customers learn about a car you've owned and write a review.

RepairPal reliability rating

3
Average

RepairPal gave the GMC Sierra 3500 an overall reliability rating of 3 out of 5 stars, which RepairPal describes as Average. This rating ranks GMC Sierra 3500 14th out of 19 among Fullsize Trucks.

View RepairPal's full rating of the GMC Sierra 3500

GMC Sierra 3500 features and specs

Curious how GMC Sierra 3500 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

SLE 2WD 2D Regular Cab

Standard Features

  • ABS Brakes
  • Air Conditioning
  • AM/FM Stereo
  • Automatic Transmission
  • CD Audio
  • Cloth Seats
  • Cruise Control
  • Dual Rear Wheels
  • Flex Fuel Vehicle
  • Heated Mirrors
  • Overhead Airbags
  • Power Locks
  • Power Mirrors
  • Power Windows
  • Remote Start
  • Satellite Radio Ready
  • Tow Hitch
  • Traction Control

Optional Features

  • Alloy Wheels
  • Auxiliary Audio Input
  • Bed Cover
  • Bed Liner
  • Bluetooth Technology
  • BOSE Sound System
  • Fifth Wheel Tow Hitch
  • Flex Fuel Vehicle
  • Gooseneck Tow Hitch
  • Heated Steering Wheel
  • Long Bed
  • Overhead Airbags
  • Parking Sensors
  • Power Seat(s)
  • Rear Defroster
  • Rear View Camera
  • Remote Start
  • Running Boards
  • Side Airbags
  • SiriusXM Trial Available
  • Tow Hitch

Drive Wheels

Rear Wheel Drive (2WD)

Engine size

6.0L

Horsepower

322

Torque (ft-lbs)

380

Engine type

Gas

Fuel capacity

36

Wheelbase

133.7"

Overall length

225"

Width

95.9"

Height

77.4"

Leg room

F 41.3"

Head room

F 41.3"

Front tires

LT235/80R17E

Rear tires

LT235/80R17E

Seating capacity

3

Max towing capacity

1440/14500 lbs.

Transmission

Automatic

2012 GMC Sierra 3500 FAQ

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