beebs
Skip to main content

2018 GMC Sierra 2500 review

Research, photos, specs, and expertise

GMC Sierra 2500 highlights

Customer rating

(not yet rated)

RepairPal reliability rating

Mileage (EPA estimate)

(data not available)

Pricing for current inventory

(no current inventory)

View our GMC Sierra 2500 inventory
Lighting bolt logo
Can an EV fit my lifestyle? Image of woman on smartphone while charging an EV

Does an EV fit my lifestyle?

On this page

Find your Sierra 2500
then buy online or in-store

Learn more about getting pre-qualified with no impact to your credit score
Price
Year
Search our Sierra 2500 inventorySearch for a different car

Shop with your budget in mind

Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.

Get Pre-qualified

All GMC Sierra 2500 years

What is new for the 2018 GMC Sierra 2500?

  • Sierra 2500 trims have been upgraded with Apple CarPlay, Android Auto, and Navigation System as standard equipment this year.
  • The Base trim now comes with Rear View Camera and Bluetooth Technology as standard equipment.

2018 GMC Sierra 2500 trims

Curious how GMC Sierra 2500 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

Base:

  • 445-hp, 910-lb-ft of torque 6.6L
  • 360-hp, 380-lb-ft of torque 6.0L
  • Cruise Control
  • Cloth Seats
  • Traction Control
  • Side Airbags
  • Overhead Airbags
  • Rear View Camera
  • Automatic Transmission
  • Apple CarPlay
  • View our GMC Sierra 2500 inventory

SLE:

SLT:

Denali:

  • Includes all features available on the SLT
  • A/C Seats
  • Heated Steering Wheel
  • Parking Sensors
  • Lane Departure Warning
  • Running Boards
  • Bed Liner
  • 20 Inch Plus Wheels
  • Flex Fuel Vehicle
  • View our GMC Sierra 2500 Denali inventory

Shop with your budget in mind

Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.

Get Pre-qualified

Ratings & reliability

Customer ratings

The 2018 GMC Sierra 2500 is not yet rated. Help future customers learn about a car you've owned and write a review.

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

Base 2WD 2D Regular Cab

Standard Features

  • ABS Brakes
  • Air Conditioning
  • AM/FM Stereo
  • Apple CarPlay
  • Automatic Transmission
  • Auxiliary Audio Input
  • Bluetooth Technology
  • Cloth Seats
  • Cruise Control
  • Long Bed
  • Overhead Airbags
  • Power Locks
  • Rear View Camera
  • Side Airbags
  • Traction Control

Optional Features

  • Alloy Wheels
  • Bed Cover
  • Bed Liner
  • Bluetooth Technology
  • Fifth Wheel Tow Hitch
  • Gooseneck Tow Hitch
  • Power Mirrors
  • Power Windows
  • Rear Defroster
  • Rear View Camera
  • Remote Start
  • Running Boards
  • Satellite Radio Ready
  • Tow Hitch
  • Vinyl Seats

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

1450/14500 lbs.

Transmission

Automatic

2018 GMC Sierra 2500 FAQ

GMC Sierra 2500 articles

Best used pickup trucks

Best Used Pickup Trucks

With the right pickup truck, you can transition from on-the-job tasks to weekend fun easily. This list of the 10 best used pickup trucks for shoppers showcases everything from capable handling to high-tech features.
Best used pickup trucks

Best Used Pickup Trucks

With the right pickup truck, you can transition from on-the-job tasks to weekend fun easily. This list of the 10 best used pickup trucks for shoppers showcases everything from capable handling to high-tech features.

Want to view more trending articles?

Research other vehicles


* Price excludes taxes, title, registration, and fees. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions.

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.

Unless otherwise noted, information related to featured vehicles comes from third-party sources, including manufacturer information. Product and company names may be trademarks or registered trademarks of third-party entities. Use of them does not imply any affiliation with or endorsement by these entities.​ By clicking on any video links, you will be taken to a third-party site maintained by YouTube, Inc.

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