5.1

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
19,467 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 fuel system problems

fuel system problem

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2015 GMC Terrain Owner Comments

problem #3

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 #2

Jan 102018

Terrain

  • 57,400 miles
On 1/10/18, I was on my way to work and received message "engine power reduced", the engine light came on and power was reduced to 25 mph. I brought the Terrain into a mechanic and he synchronized the gas pedal sensor and fuel sensor and the engine light went out. On 1/13/18, the same thing happened except I was on a highway and it was much more frightening. I brought the Terrain back to my mechanic and left the vehicle. I am now without a car for the weekend.

- Staten Island, NY, 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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