2023 Gmc Terrain: Reliability Data

Source: NHTSA — 42 complaints
42
Total Complaints
24,000mi
Median Mileage
ENGINE
Top Issue
4
Crash Reports

When Do Complaints Happen?

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

12,825 25th Percentile
24,000 Median Mileage
41,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
8
FUEL/PROPULSION SYSTEM
8
ELECTRICAL SYSTEM
6
LANE DEPARTURE: BLIND SPOT DETECTION
3
POWER TRAIN
3
FUEL SYSTEM, GASOLINE
3
UNKNOWN OR OTHER
3
BACK OVER PREVENTION: WARNINGS
1
FORWARD COLLISION AVOIDANCE: WARNINGS
1
AIR BAGS
1

Severity Assessment

4
Crashes
2
Fires
2
Injuries
0
Deaths

Sample Complaint Reports

"The problem with this car that continues is that when driving over 65 miles per hour/ more or less, the driver side door rattles and shakes. It rattle and it looks like if the door wants to detach. It only happens on the driver side, not the passenger side. I put my arm on the arm rest, and my ar..."
"The contact's husband owns a 2023 GMC Terrain. The contact stated while driving from a complete stop at the traffic light, the vehicle shut off inadvertently. The contact was able to pull to the side of the road. The contact pressed the Push to Start button several times, and the vehicle restarted. ..."

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