2015 GMC Sierra reliability

Is it reliable?

The 2015 GMC Sierra has 0 complaints with NHTSA after 12 years, or 0 per year. That is about even with the other Sierra years here. Their median is 0 complaints per year. NHTSA has 6 recalls on file, including Ignition, Axle shaft, and Electric power steering.

2012 GMC Sierra
Photo by Deathpallie325, resized from the original. Wikimedia Commons CC BY-SA 4.0
Complaints

0

Per year

0

Recalls

6

Years on the road

12

Next to 2014 and 2016

The 2014 Sierra has 0 complaints, 0 per year, and the 2016 has 0 complaints, 0 per year. The 2015 has about the same number of complaints per year as the 2014. The 2015 has about the same number of complaints per year as the 2016.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2015 GMC Sierra. How we count. Data as of .

Recalls (6)

Recall electrical system, ignition 2015-10-09 · NHTSA campaign 15V640000
Summary General Motors LLC (GM) is recalling certain model year 2014-2015 Chevrolet Silverado and GMC Sierra trucks manufactured January 24, 2014, to February 26, 2014, 2015 Chevrolet Suburban vehicles manufactured February 12, 2014 and Chevrolet Tahoe vehicles manufactured February 6, 2014, to February 13, 2014. In the affected vehicles, the ignition lock actuator may bind, making turning the key difficult or causing the ignition to get stuck in the "Start" position.
Remedy GM will notify owners, and dealers will replace the ignition lock housing, free of charge. The recall began on November 20, 2015. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 15573.
Recall powertrain, axle assembly, axle shaft 2014-12-24 · NHTSA campaign 14V819000
Summary General Motors LLC (GM) is recalling certain model year 2015 Chevrolet Silverado 1500, and GMC Sierra 1500 vehicles manufactured November 24, 2014, to November 25, 2014. Due to an improper heat-treatment, the rear axle shaft may fracture while the vehicle is being driven.
Remedy GM will notify owners, and dealers will inspect the rear axles, and replace any that were improperly heat-treated, free of charge. The recall began on December 17,2014. Owners may contact GM customer service at 1-800-222-1020 (Chevrolet) or 1-800-462-8782 (GMC). GM's number for this recall is 14892.
Recall Electric power steering 2014-11-10 · NHTSA campaign 14V719000
Summary General Motors LLC (GM) is recalling certain model year 2015 Chevrolet Silverado, Suburban, Tahoe, GMC Sierra, and Yukon XL vehicles, equipped with electric power steering (EPS). Due to a problem with the EPS module, the affected vehicles may experience a sudden loss of power steering assist during vehicle operation.
Remedy GM will notify owners, and dealers will replace the power steering assist motor kit, free of charge. The recall began on November 17, 2014. Owners may contact GM customer service at 1-800-222-1020 (Chevrolet), or 1-800-462-8782 (GMC). GM's number for this recall is 14743.
Recall Seats 2014-07-23 · NHTSA campaign 14V446000
Summary General Motors LLC (GM) is recalling certain model year 2013-2014 Buick Encore and Cadillac ATS; 2014 Cadillac CTS, ELR, Chevrolet Caprice and SS vehicles; and 2014-2015 Chevrolet Silverado and GMC Sierra Trucks. Due to an incomplete weld on the seat hook bracket assembly, the front seats in the affected vehicles may not stay secured in place during a high load condition such as a crash.
Remedy GM will notify owners, and dealers will inspect the seat hook bracket assembly weld and replace the lower seat track, as necessary, free of charge. The recall began on August 15, 2014. Owners may contact GM customer service at 1-800-521-7300 (Buick), 1-800-458-8006 (Cadillac), 1-800-222-1020 (Chevrolet), and 1-800-462-8782 (GMC). GM's number for this recall is 14340.
Recall powertrain, transfer case 2014-06-27 · NHTSA campaign 14V374000
Summary General Motors LLC (GM) is recalling certain model year 2014-2015 Chevrolet Silverado and GMC Sierra vehicles, and model year 2015 GMC Yukon and Chevrolet Suburban and Tahoe vehicles. In the affected vehicles, an electrical signal short may cause the transfer case to shift to neutral without the driver's input.
Remedy GM will notify owners, and dealers will re-program the software in the transfer case control module, free of charge. The recall began in early August 2014. Owners may contact General Motors customer service at 1-800-222-1020 (Chevrolet), or 1-800-462-8782 (GMC). GM's number for this recall is 14192.
Recall engine and cooling, exhaust system 2014-01-13 · NHTSA campaign 14V007000
Summary General Motors is recalling certain 2014 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, and 2015 model year Cadillac Escalade and Escalade ESV; Chevrolet Silverado HD; and GMC Sierra HD, Yukon, and Yukon XL, equipped with a 4.3L engine or 5.3L engine.
Remedy General Motors will notify owners, and dealers will reprogram the engine control module, free of charge. The recall began on January 16, 2014. Owners may contact Chevrolet at 1-800-222-1020 and GMC at 1-800-462-8782. General Motors' number for this recall is 14008.

Complaints by component (0 total)

No complaints on file with NHTSA for this model year.

NHTSA crash ratings

Version Overall Front Side Rollover
2015 GMC Sierra 1500 PU/CC 4WD 5 stars 5 stars 5 stars 4 stars
2015 GMC Sierra 1500 PU/CC RWD 5 stars 5 stars 5 stars 4 stars
2015 GMC Sierra 1500 PU/EC 4WD 5 stars 5 stars 5 stars 4 stars
2015 GMC Sierra 1500 PU/EC RWD 5 stars 5 stars 5 stars 4 stars
2015 GMC Sierra 1500 PU/RC 4WD 5 stars 5 stars 5 stars 4 stars
2015 GMC Sierra 1500 PU/RC RWD 5 stars 5 stars 5 stars 4 stars
2015 GMC Sierra 2500 PU/CC 4WD 4 stars 4 stars 5 stars 3 stars
2015 GMC Sierra 2500 PU/CC RWD 4 stars 4 stars 5 stars 3 stars
2015 GMC Sierra 2500 PU/EC 4WD 3 stars 2 stars 5 stars 3 stars
2015 GMC Sierra 2500 PU/EC RWD 3 stars 2 stars 5 stars 3 stars
2015 GMC Sierra 2500 PU/RC 4WD 3 stars 2 stars 5 stars 3 stars
2015 GMC Sierra 2500 PU/RC RWD 3 stars 2 stars 5 stars 3 stars
2015 GMC Sierra 3500 PU/CC 4WD Not rated Not rated Not rated Not rated
2015 GMC Sierra 3500 PU/CC RWD Not rated Not rated Not rated Not rated
2015 GMC Sierra 3500 PU/EC 4WD Not rated Not rated Not rated Not rated
2015 GMC Sierra 3500 PU/EC RWD Not rated Not rated Not rated Not rated
2015 GMC Sierra 3500 PU/RC 4WD Not rated Not rated Not rated Not rated
2015 GMC Sierra 3500 PU/RC RWD Not rated Not rated Not rated Not rated

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
Sierra C15 two-wheel drive 6.2L, 8-cyl Automatic 8-speed Rear-wheel drive 15 21 17 MPG $3800
Sierra C15 two-wheel drive 4.3L, 6-cyl Automatic 6-speed Rear-wheel drive 18 24 20 MPG $3250
Sierra C15 two-wheel drive 5.3L, 8-cyl Automatic 6-speed Rear-wheel drive 16 23 19 MPG $3400
Sierra C15 two-wheel drive 5.3L, 8-cyl Automatic 6-speed Rear-wheel drive 16 23 19 MPG $3400
Sierra C15 Cab Chassis two-wheel drive 5.3L, 8-cyl Automatic 6-speed Rear-wheel drive 15 20 17 MPG $3800
Sierra C15 Cab Chassis two-wheel drive 5.3L, 8-cyl Automatic 6-speed Rear-wheel drive 15 20 17 MPG $3800
Sierra C15 Cab Chassis two-wheel drive 4.3L, 6-cyl Automatic 6-speed Rear-wheel drive 16 21 18 MPG $3600
Sierra K15 four-wheel drive 5.3L, 8-cyl Automatic 6-speed Four-wheel drive 16 22 18 MPG $3600
Sierra K15 four-wheel drive 5.3L, 8-cyl Automatic 6-speed Four-wheel drive 16 22 18 MPG $3600
Sierra K15 four-wheel drive 4.3L, 6-cyl Automatic 6-speed Four-wheel drive 17 22 19 MPG $3400
Sierra K15 four-wheel drive 6.2L, 8-cyl Automatic 8-speed Four-wheel drive 15 21 17 MPG $3800
Sierra K15 Cab Chassis four-wheel drive 5.3L, 8-cyl Automatic 6-speed Four-wheel drive 15 19 17 MPG $3800
Sierra K15 Cab Chassis four-wheel drive 5.3L, 8-cyl Automatic 6-speed Four-wheel drive 15 19 17 MPG $3800
Sierra K15 Cab Chassis four-wheel drive 4.3L, 6-cyl Automatic 6-speed Four-wheel drive 16 20 18 MPG $3600

Specs and fitment

K2XX generation, 2014–2018
Body styles Pickup
Oil dexos1 5W-30 (V8/V6 per manual) , 8 qt capacity
Tire size 245/75R17, 255/70R17, 265/70R17, 265/65R18, 265/70R18 or 275/55R20 (trim-dependent)
Towing capacity 12,000 lbs

Known issues for this generation

Recall 14V-719 covers certain 2015 GMC Sierra trucks (also Chevrolet Silverado, Suburban, Tahoe, and Yukon XL) with electric power steering: the EPS module can cause a sudden loss of power-steering assist. Dealers replace the power-steering assist motor kit. Recall 16V-651 covers certain 2014-2017 Sierra 1500 trucks among other GM models: the sensing and diagnostic module may not operate properly, which can prevent frontal air bags and seat-belt pretensioners from deploying. Dealers reflash the SDM or replace it after a prior deployment. Recall 19V-645 covers certain 2014-2018 Sierra and Silverado trucks: mechanical vacuum-pump output can fall over time, reducing brake assist; dealers reprogram the electronic brake control module. Recall 24V-756 covers certain 2018 Sierra 1500 and Silverado 1500 Crew Cab trucks (and HD Crew Cab 2018-2019): a roof-rail air-bag inflator end cap may detach or the inflator sidewall may rupture; dealers replace the left and right roof-rail air-bag modules.

Compare

Frequently asked questions

Is the 2015 GMC Sierra reliable?

The 2015 GMC Sierra has 0 complaints with NHTSA after 12 years, or 0 per year. That is about even with the other Sierra years here. Their median is 0 complaints per year. NHTSA has 6 recalls on file, including Ignition, Axle shaft, and Electric power steering.

Is the 2015 GMC Sierra more reliable than the years next to it?

The 2014 Sierra has 0 complaints, 0 per year, and the 2016 has 0 complaints, 0 per year. The 2015 has about the same number of complaints per year as the 2014. The 2015 has about the same number of complaints per year as the 2016.

Has the 2015 GMC Sierra been recalled?

The 2015 GMC Sierra has 6 recalls on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2015 GMC Sierra?

Owners have filed 0 complaints about the 2015 GMC Sierra with NHTSA.

What mpg does a 2015 GMC Sierra get?

EPA-rated combined fuel economy for the 2015 GMC Sierra is 17.9 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What engine oil does a GMC Sierra 1500 use?

US Sierra owner manuals specify dexos-approved oil viscosity for your engine in the maintenance schedule.

What tire sizes does a GMC Sierra 1500 use?

OEM sizes commonly span about 245/70R17 through 275/50R22 depending on generation and trim.

What battery-cable recall covers certain 2019-2020 Sierra 1500 trucks?

Recall 19V-888 covers certain 2019-2020 GMC Sierra 1500 and Chevrolet Silverado 1500 trucks where battery positive cable rings may have excess glue, causing an intermittent connection.