2015 Gmc Terrain: Reliability Data

Source: NHTSA — 377 complaints
377
Total Complaints
60,000mi
Median Mileage
VISIBILITY/WIPER
Top Issue
12
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

44,000 25th Percentile
60,000 Median Mileage
89,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

VISIBILITY/WIPER
101
ENGINE
78
ELECTRICAL SYSTEM
31
EXTERIOR LIGHTING
23
UNKNOWN OR OTHER
21
POWER TRAIN
21
VISIBILITY
17
AIR BAGS
15
FUEL/PROPULSION SYSTEM
14
SERVICE BRAKES
8

Severity Assessment

12
Crashes
1
Fires
8
Injuries
0
Deaths

Sample Complaint Reports

"WHILE MAKING A RIGHT TURN AT THE BOTTOM OF A FREEWAY OFFRAMP THE KEYS ON THE KEYRING ATTACHED TO THE KEY IN THE IGNITION GOT STUCK IN THE STEERING WHEEL. THIS BRIEFLY PREVENTED ME FROM EXITING THE TURN, AND THEN WHEN THE KEYS BROKE FREE THE CAR HAD TURNED ITSELF OFF!! I HAD NO POWER STEERING, NO POW..."
"WHILE MAKING A RIGHT TURN AT THE BOTTOM OF A FREEWAY OFFRAMP THE KEYS ON THE KEYRING ATTACHED TO THE KEY IN THE IGNITION GOT STUCK IN THE STEERING WHEEL. THIS BRIEFLY PREVENTED ME FROM EXITING THE TURN, AND THEN WHEN THE KEYS BROKE FREE THE CAR HAD TURNED ITSELF OFF!! I HAD NO POWER STEERING, NO POW..."
"TO WHOM IT MAY CONCERN, YESTERDAY, 3/22/15, MY WIFE AND I WERE DRIVING WHILE CAROL TOOK HER FOOT OFF THE GAS PEDAL AS WE WERE APPROACHING A STOP LIGHT. AT THAT TIME THE CAR STARTED ACCELERATING. IS THIS A NEW PROBLEM OR HAS IT BEEN REPORTED BEFORE? WHO DO I CONTACT TO INVESTIGATE THIS ISSU..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28