2015 GMC Terrain engine problems
The 2015 GMC Terrain has 83 engine complaints filed with NHTSA — 22% of the year's total, and down from the prior model year.
83
Engine complaints
22%
Share of year
1
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“WHILE PULLING INTO A PARKING SPOT VERY SLOW THE VEHICLE ACCELERATED AND DAMAGED CAR IN FRONT THERE ARE TRACTION MARKS SHOWING THE SUDDEN ACCELERATION. THE CAR WOULD NOT STOP UNTIL THE IGNITION WAS TURNED OFF. BECAUSE THE CARS IN FRONT WERE HIT I PLACED THE CAR IN PARK AFTER THE IGNITION WAS TURNED…”
Common questions
How many engine complaints does the 2015 GMC Terrain have?
NHTSA has 83 complaints about the 2015 GMC Terrain engine — 22% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.