2015 GMC Sierra 1500 review

Research, photos, specs, and expertise

GMC Sierra 1500 highlights

Customer rating


  • Many configurations
  • Powerful engines
  • Comfortable cab


  • Confusing infotainment system
  • Finicky transmission
  • Few standard features

Mileage (EPA estimate)

16 city, 22 highway, 18 combined

Pricing for current inventory

(no current inventory)


A pickup to fit many needs

The 2015 GMC Sierra 1500 is a full-size pickup that can fit many needs, whether you’re looking for a work truck or a family-friendly vehicle to tow your boat to the lake. The 2015 Sierra is available in three different cab sizes, three bed lengths, and four trims, so you’re sure to find a 2015 GMC Sierra 1500 that is right for you. The truck comes standard with a V6 engine, while two available V8 options add to its power.

All GMC Sierra 1500 years

What is new for the 2015 GMC Sierra 1500?

  • Sierra 1500 trims have been upgraded with Tow Hitch and Bed Liner as standard equipment this year.
  • Blu-ray Video System features are now available as options on select trims.

5 reasons to buy the 2015 GMC Sierra 1500

1. Powerful engines 

Whether you’re off-roading, hauling compost around a farm, or towing a trailer, you need a powerful truck. The 2015 GMC Sierra 1500 can deliver. The pickup comes standard with a 285-hp 4.3L V6. For even more might, choose one of the V8 engines: a 355-hp 5.3L V8 standard on SLT and Denali trims, or a 420-hp 6.2L V8 available on those trims. 

2. Capable towing 

If your weekends are full of trail rides and camping, or your work days involve towing equipment, you’ll appreciate the power of the 2015 GMC Sierra 1500. With the standard 4.3L V6 and rear-wheel drive, the 2015 Sierra 1500 can tow up to 7,200 pounds when properly equipped.

With the 5.3L V8 the Sierra can tow up to 11,200 pounds when properly equipped.
For the most towing capacity, choose the 6.2L V8, which can tow up to 12,000 pounds when properly equipped.

3. Upscale trim 

You’re not afraid to work hard, but you also enjoy being comfortable at the end of the day. The 2015 GMC Sierra 1500 can strike that balance, especially with the available Denali trim. That trim comes standard with a V8 engine, heated and ventilated leather seats, a heated steering wheel, a Bose® audio system, and much more.  

4. Off-road ready 

If you spend lots of time camping or four-wheel driving on dirt roads, choose a 2015 GMC Sierra 1500 with the Z71 package, available on the SLE and SLT trims. That trim adds adventure-ready features, like improved shock absorbers, underbody shields, hill descent control, and recovery hooks. The Denali trim also has off-road ready features, including adaptive suspension and a locking rear differential.  

5. Carbon styling 

Your 2015 GMC Sierra 1500 can stand out if it comes equipped with the available Carbon 22 Edition, a package for the SLE trim. The package offers elevated interior and exterior styling, including a blacked-out grille. It also adds remote start, a tilting and telescoping steering wheel, a 10-way adjustable driver's seat, and more. 

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 2015 GMC Sierra 1500 is liked by customers for its comfort and exterior styling. Customers recommend this truck for someone who is getting their first vehicle.
Above Average

RepairPal gave the GMC Sierra 1500 an overall reliability rating of 3.5 out of 5 stars, which RepairPal describes as Above Average. This rating ranks GMC Sierra 1500 4th out of 19 among Fullsize Trucks.

View RepairPal's full rating of the GMC Sierra 1500

GMC Sierra 1500 features and specs

Base 2WD 2D Regular Cab

Standard Features

  • ABS Brakes
  • Air Conditioning
  • AM/FM Stereo
  • Automatic Transmission
  • Auxiliary Audio Input
  • CD Audio
  • Cloth Seats
  • Cruise Control
  • Flex Fuel Vehicle
  • Overhead Airbags
  • Power Locks
  • Satellite Radio Ready
  • Side Airbags
  • Traction Control
  • Bed Cover
  • Bed Liner
  • Bluetooth Technology
  • CD Audio
  • Cloth Seats
  • Flex Fuel Vehicle
  • Long Bed
  • Power Mirrors
  • Power Windows
  • Rear Defroster
  • Rear View Camera
  • Satellite Radio Ready
  • Tow Hitch
  • Vinyl Seats

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 42.4"

Front tires


Rear tires


Seating capacity


Max towing capacity

610/9000 lbs.



2015 GMC Sierra 1500 FAQ

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.​

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.​

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