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2015 GMC Sierra 2500 review

Research, photos, specs, and expertise

GMC Sierra 2500 highlights

Customer rating

RepairPal reliability rating

Mileage (EPA estimate)

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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

4.3 out of 5

3 customer reviews

RepairPal reliability rating

3
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

Curious how GMC Sierra 2500 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
  • Alloy Wheels
  • AM/FM Stereo
  • Automatic Transmission
  • Auxiliary Audio Input
  • Bluetooth Technology
  • CD Audio
  • Cloth Seats
  • Cruise Control
  • Heated Mirrors
  • Overhead Airbags
  • Power Locks
  • Power Mirrors
  • Power Seat(s)
  • Power Windows
  • Rear View Camera
  • Satellite Radio Ready
  • Side Airbags
  • Tow Hitch
  • Traction Control

Optional Features

  • Alternative Fuel
  • Bed Cover
  • Bed Liner
  • Bluetooth Technology
  • Cloth Seats
  • Flex Fuel Vehicle
  • Heated Mirrors
  • Lane Departure Warning
  • Long Bed
  • Parking Sensors
  • Rear Defroster
  • Remote Start
  • Running Boards

Drive Wheels

Rear Wheel Drive (2WD)

Engine size

6.0L

Horsepower

360

Torque (ft-lbs)

380

Engine type

Gas

Fuel capacity

36

Wheelbase

133.6"

Overall length

224.43"

Width

80.12"

Height

77.8"

Leg room

F 45.27"

Head room

F 42.8"

Front tires

LT245/75R17E

Rear tires

LT245/75R17E

Seating capacity

3

Max towing capacity

1300/13000 lbs.

Transmission

Automatic

2015 GMC Sierra 2500 FAQ

GMC Sierra 2500 articles

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Statements of fuel economy or EV range are based on EPA and other third-party estimates for vehicles when new. Fuel economy and EV range will degrade with time and vary based on age, driving conditions, vehicle history, and other conditions. See fueleconomy.gov for more info.

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