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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)

(data not available)

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What is new for the 2015 GMC Sierra 2500?

  • Sierra 2500 trims have been upgraded with Overhead Airbags, 20 Inch Plus Wheels, Running Boards, and Navigation System as standard equipment this year.
  • Lane Departure Warning, Front Seat Heaters, Heated Steering Wheel, Alloy Wheels, and Turbo Diesel Engine features are now available as options on select trims.

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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

Work Truck 2D Regular Cab 2WD

Standard Features

  • Cloth Seats
  • ABS Brakes
  • Air Conditioning
  • Cruise Control
  • Overhead Airbags
  • Power Locks
  • Side Airbags
  • Traction Control
  • Vinyl Seats
  • Automatic Transmission
  • Satellite Radio Ready
  • AM/FM Stereo
  • Auxiliary Audio Input

Optional Features

  • Heated Mirrors
  • Cloth Seats
  • Power Mirrors
  • Power Windows
  • Rear Defroster
  • Rear View Camera
  • Alloy Wheels
  • Bed Cover
  • Bed Liner
  • Long Bed
  • Running Boards
  • Tow Hitch
  • Alternative Fuel
  • Flex Fuel Vehicle
  • Bluetooth Technology
  • CD Audio
  • Satellite Radio Ready

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

The 2015 GMC Sierra 2500 has a maximum towing capacity of between 13000 and 14500 pounds, when properly equipped. Various factors may impact towing capacity, including weight of passengers, cargo, and options/accessories.
The 2015 GMC Sierra 2500 has received an average 4.3 out of 5 stars from our customers. If you're in the market for a 2015 GMC Sierra 2500, check out reviews from customers just like you. 2015 GMC Sierra 2500 Reviews.
The GMC Sierra 2500 received a rating of 3 out of 5 stars from RepairPal, which RepairPal describes as Above Average. This rating ranks the GMC Sierra 2500 as 10 out of 19 among Fullsize Truck
Here are the pros and cons of the 2015 GMC Sierra 2500: Pros - Power - Cargo Space - Ride and Handling Cons - Fuel Economy - Reliability - Cost to Maintain
Here is what's new for the 2015 GMC Sierra 2500:
  • Overhead Airbags
  • 20 Inch Plus Wheels
  • Running Boards
  • Navigation System
  • Lane Departure Warning

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* Price excludes tax, title, and tags. Price assumes that final purchase will be made in the State of MA, unless vehicle is non-transferable. Vehicle subject to prior sale. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions. Limited warranty is 90 days/4,000 mi, whichever's first. See store for details. We make every effort to provide accurate information, but please verify before purchasing.

We hope you found this information helpful. This content is intended to inform and is not meant to indicate that a particular vehicle is currently available or recommended for you.​

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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We make every effort to provide accurate information, but please verify before purchasing.