2015 GMC Sierra 2500

Research, photos, specs, and expertise

GMC Sierra 2500 highlights

Customer rating

Mileage (EPA estimate)

(data not available)

Pricing for current inventory

(no current inventory)


All GMC Sierra 2500 years

What is new for the 2015 GMC Sierra 2500?

  • Sierra 2500 trims have been upgraded with Overhead Airbags, Navigation System, 20 Inch Plus Wheels, and Running Boards as standard equipment this year.
  • Lane Departure Warning features are now available as options on select trims.
  • The Work Truck trim now comes with Power Windows, Side Airbags, Auxiliary Audio Input, Cloth Seats, Power Seat(s), Power Mirrors, Rear View Camera, Alloy Wheels, Tow Hitch, Bluetooth Technology, and CD Audio as standard equipment.
  • The SLE trim now comes with Power Seat(s), Rear View Camera, Side Airbags, Tow Hitch, and Bluetooth Technology as standard equipment.
  • The SLT trim now comes with Rear View Camera and Side Airbags as standard equipment.
  • The Denali trim now comes with Cloth Seats and Flex Fuel Vehicle as standard equipment.

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Ratings & reliability

Customer ratings

Above Average

RepairPal gave the GMC Sierra 2500 an overall reliability rating of 3 out of 5 stars, which RepairPal describes as Above Average. This rating ranks GMC Sierra 2500 10th out of 19 among Fullsize Trucks.

View RepairPal's full rating of the GMC Sierra 2500

GMC Sierra 2500 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
  • Side Airbags
  • Tow Hitch
  • Traction Control
  • Alternative Fuel
  • Bed Cover
  • Bed Liner
  • Bluetooth Technology
  • Cloth Seats
  • Flex Fuel Vehicle
  • Lane Departure Warning
  • Long Bed
  • Parking Sensors
  • Rear Defroster
  • Remote Start
  • Running Boards
  • 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

1300/13000 lbs.



2015 GMC Sierra 2500 FAQ

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