2015 GMC Sierra 3500

Research, photos, specs, and expertise

GMC Sierra 3500 highlights

Customer rating

Mileage (EPA estimate)

(data not available)

Pricing for current inventory

(no current inventory)


All GMC Sierra 3500 years

What is new for the 2015 GMC Sierra 3500?

  • The Sierra 3500 is available in a new trim called the Base.
  • Sierra 3500 trims have been upgraded with Bed Liner, Turbo Diesel Engine, and Navigation System as standard equipment this year.
  • Lane Departure Warning, Smart Key, and Alternative Fuel features are now available as options on select trims.
  • The SLE trim now comes with Side Airbags, Power Seat(s), Rear View Camera, Auxiliary Audio Input, Bluetooth Technology, Rear Defroster, and Parking Sensors as standard equipment.
  • The Denali trim now comes with Vinyl Seats as standard equipment.
  • The SLT trim now comes with Side Airbags, Rear View Camera, Cloth Seats, and Parking Sensors as standard equipment.
  • The Work Truck trim now comes with Power Windows and Side Airbags as standard equipment.

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Ratings & reliability

Customer ratings


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

SLE 2WD 2D Regular Cab

Standard Features

  • ABS Brakes
  • Air Conditioning
  • Alloy Wheels
  • AM/FM Stereo
  • Automatic Transmission
  • Auxiliary Audio Input
  • Bluetooth Technology
  • CD Audio
  • Cloth Seats
  • Cruise Control
  • Overhead Airbags
  • Power Locks
  • Power Mirrors
  • Power Seat(s)
  • Power Windows
  • Rear View Camera
  • Satellite Radio Ready
  • Tow Hitch
  • Traction Control
  • Alloy Wheels
  • Alternative Fuel
  • Bed Cover
  • Bed Liner
  • Cloth Seats
  • Dual Rear Wheels
  • Fifth Wheel Tow Hitch
  • Flex Fuel Vehicle
  • Gooseneck Tow Hitch
  • Lane Departure Warning
  • Leather Seats
  • Long Bed
  • Navigation System
  • Overhead Airbags
  • Parking Sensors
  • Rear Defroster
  • Remote Start
  • Running Boards
  • Side Airbags
  • Turbo Diesel Engine

Drive Wheels

Rear Wheel Drive (2WD)

Engine size




Torque (ft-lbs)


Engine type


Fuel capacity




Overall length






Leg room

F 45.27"

Head room

F 42.8"

Front tires


Rear tires


Seating capacity


Max towing capacity

1460/14600 lbs.



2015 GMC Sierra 3500 FAQ

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