Vehicle Data Hub

2015 GMC Terrain engine problems

Owners reported engine problems in 84 complaints for the 2015 GMC Terrain, 22% of the complaints on file. It is the 2nd most reported problem area for this model year.

At a glance

Complaints
84 22% of this year's complaints
Typical mileage
94,000 miles 33 complaints with mileage
Crashes and fires
1 and 1
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

When engine problems show up

Engine complaints by mileage, 2015 GMC Terrain Complaints by odometer reading in 20,000-mile steps. The median is about 94,000 miles. 0k to 20k miles: 4 complaints 20k to 40k miles: 2 complaints 40k to 60k miles: 4 complaints 60k to 80k miles: 4 complaints 80k to 100k miles: 3 complaints 100k to 120k miles: 7 complaints 120k to 140k miles: 3 complaints 140k to 160k miles: 3 complaints 160k to 180k miles: 1 complaints 180k to 200k miles: 1 complaints 200k+ miles: 1 complaints 040k80k120k160k200k miles Typical: 94,000 miles
Based on 33 complaints that include mileage. 30% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles4
20k to 40k miles2
40k to 60k miles4
60k to 80k miles4
80k to 100k miles3
100k to 120k miles7
120k to 140k miles3
140k to 160k miles3
160k to 180k miles1
180k to 200k miles1
200k+ miles1

What the data shows

Of the 33 engine complaints that report mileage, the median is about 94,000 miles, and 30% were reported before 60,000 miles.

These complaints mention 1 crash, 1 fire.

What owners wrote

Tl* the contact owns a 2015 GMC terrain. The contact stated while driving at 70 MPH, the vehicle started to decelerate with no warning lights illuminated. The contact stated that he saw black smoke coming from the rear of the vehicle as he was pulling over to the side of the roadway. The vehicle was towed to an independent mechanic who diagnosed the failure as a broken part in the engine and that the engine needed to be replaced. The vehicle was not repaired.

Reported at 112,000 miles, February 2021 Fire

Tl* 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.

Reported at 24,461 miles, September 2016

Other problems reported for the 2015 GMC Terrain

Engine problems in other years

Engine problems across all GMC models