6.5

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
10,780 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2015 GMC Terrain drivetrain problems

drivetrain problem

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2015 GMC Terrain Owner Comments

problem #7

May 272018

Terrain

  • 1 miles

A D V E R T I S E M E N T S

Leaving my parking spot after going out to eat I went in reverse and the vehicle stalled at about 5mph, turned the car completely off and then turned back on. Put it in drive and just as I started to accelerate it stalled. This happened 10-12 times while I was trying to leave the parking lot. Vehicle stalled while leaving car wash as I was excelleratig our. Vehicle stalled as I was leaving a complete stop from a stop sign on a city street. Something is wrong with the engine stalling while starting to accelerate. 43,000 miles from first occurrence currently at 43,300 still happening on a regular basis.

- Dunkirk, NY, USA

problem #6

Apr 222017

Terrain

  • 44,000 miles
Third time while driving on city streets the car begins to shake and stall. I pull over or stay in place as the car proceeds to turn off. The service stability traction and engine lights light up and the car dies. Each time I am able to turn the car back on within a few minutes.

- Indio, CA, USA

problem #5

Sep 022016

Terrain

  • 24,461 miles
The contact owns a 2015 GMC Terrain. The contact heard an abnormal noise coming from the vehicle. The dealer diagnosed that the water pump, timing belt, gasket kit, and chain links for the timing belt failed and needed to be replaced. The vehicle was repaired. After being serviced, the vehicle later began to lunge forward and the gears attempted to shift. The vehicle was taken back to the dealer where it was diagnosed that the transmission was slipping. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 24,461.

- Mt Laurel, NJ, USA

problem #4

Jun 022016

Terrain

  • miles

A D V E R T I S E M E N T S

Engine keeps shutting off while driving; would have to guide the car off the road and restart. Radio shuts off; all electrical systems shut off and car would have to be restarted. This has been happening after the car was purchased sporadically since last year. The vehicle was turned in for service on the issue, however I was informed that they found nothing wrong. Just this past week till now, the cars engine and electrical system starting shutting down again while driving or while in parking mode at least more than 6 times.

- Hagatna, GU, USA

problem #3

Feb 042016

Terrain

  • 6,000 miles
I've attached my final repair notice to GM and it has all of the details. I have since taken my car back to the dealership to have the final repair done. They still say nothing is wrong with it. I am terrified to drive my car. I asked GM to take the car back and they say they are not willing to do anything at all to help me. The transmission is jerky and the brakes barely work. Please investigate. Its like GM would like to wait until there is a huge accident and loss of life before doing anything.

- Woodstock, GA, USA

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problem #2

Feb 212015

Terrain 4-cyl

  • miles
2015 GMC Terrain. Consumer writes in regards to sudden loss of engine power, accelerator pedal and throttle failures. The consumer stated when she tried to accelerate, the vehicle barely moved. The consumer turned off the vehicle and re-started it, with the same results. The engine would just idle as if the accelerator pedal was disconnected.

- Port Orange, FL, USA

problem #1

Mar 122015

Terrain 6-cyl

  • 1,000 miles
While switching lanes in traffic ( around 15 mph), the vehicle shut off (including radio gauges and engine). Put on hazards, switched from drive to park, and restarted the car.

- Huntington Station, NY, USA

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