YearToAvoid

2015 GMC Terrain Transmission & Powertrain Problems

NHTSA lists 21 Transmission & Powertrain complaints for the 2015 GMC Terrain, 7% of its 297 total complaints for the year. There are no related recalls tied to this component. Median mileage at failure was 31,430.5 miles.

Transmission & Powertrain complaints
21
7% of 297
Crashes reported
0
Fires reported
0
Injuries reported
0
Median mileage
31,431 mi
Related recalls
0

Typical transmission symptoms owners report

  • Sudden loss of engine power or throttle response, with the accelerator pedal feeling disconnected while driving.
  • Engine stalling or shutting off completely at low speeds, sometimes repeatedly during a single trip, requiring a restart.
  • Jerky or lunging transmission behavior, including harsh shifts and gears that seem to hesitate before engaging.
  • Hesitation and reduced power that limits speed to around 20 mph, accompanied by a check engine light and visible oil or transmission fluid leaks.
  • Vehicle shaking or failing to accelerate when shifting into reverse or drive, with diagnostic scans pointing to transmission-related fault codes.
  • Warning lights for stability control, traction control, and engine appearing together with gauge fluctuations and a jolt when the issue resolves.

When 2015 GMC Terrain transmission complaints were filed

First complaint Apr 6, 2015, latest Jan 3, 2024.

2015 GMC Terrain transmission & powertrain complaints: complaints filed per month2Apr 2015Jun 2016May 2018Sep 2019May 2022Apr 2023Dec 2023
21 complaints filed with NHTSA from Apr 2015 to Jan 2024; peak Aug 2020 (2).

Transmission & Powertrain recalls for the 2015 GMC Terrain

No safety recalls on record for this model year.

Transmission & Powertrain complaints by Terrain model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 201051 (18%)
  2. 201176 (20%)
  3. 201237 (10%)
  4. 201344 (12%)
  5. 201433 (11%)
  6. 201521 (7%)
  7. 201611 (7%)
  8. 201723 (17%)
  9. 201841 (19%)
  10. 201951 (28%)
  11. 202028 (14%)
  12. 20218 (23%)
  13. 20228 (13%)
  14. 20237 (18%)
  15. 202421 (43%)
  16. 20254 (31%)

Frequently asked questions

How many transmission and powertrain complaints does the 2015 GMC Terrain have?
NHTSA has logged 21 Transmission & Powertrain complaints for the 2015 Terrain, which is 7% of the 297 total complaints filed for that model year.
Is there a recall for the 2015 GMC Terrain transmission?
No. The JSON data shows no related recalls listed for this component on the 2015 Terrain.
At what mileage do 2015 Terrain transmission problems typically show up?
The median mileage at failure across these complaints is 31,430.5 miles.
Did these transmission complaints involve crashes or fires?
No. NHTSA records show 0 crashes and 0 fires linked to the 21 Transmission & Powertrain complaints for the 2015 Terrain.
How does the 2015 Terrain compare to other years for this problem?
The 2015 Terrain's 21 complaints and 7% share are lower than several other years, such as 2011 with 76 complaints (20%) and 2019 with 51 complaints (28%).

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.