"How reliable is the 2019 Gmc Terrain?"

"Based on 275 NHTSA complaints, the 2019 Gmc Terrain has a median complaint mileage of 17000 miles. The most common issue is ENGINE."

"What are common problems with the 2019 Gmc Terrain?"

"The most frequently reported component in NHTSA complaints for the 2019 Gmc Terrain is ENGINE, accounting for a significant portion of the 275 total complaints filed."

2019 Gmc Terrain: Reliability Data

Source: NHTSA — 275 complaints

275

Total Complaints

17,000mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

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

4,486 25th Percentile

17,000 Median Mileage

47,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

SERVICE BRAKES

POWER TRAIN

ELECTRICAL SYSTEM

UNKNOWN OR OTHER

VEHICLE SPEED CONTROL

ELECTRONIC STABILITY CONTROL (ESC)

EXTERIOR LIGHTING

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

SERVICE BRAKES, HYDRAULIC

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"VEHICLE CAN BE INADVERTENTLY BY EITHER A PASSENGER OR AN OBJECT PUT INTO NEUTRAL. NO ALERT OR CHIME IS MADE TO ALERT THE DRIVER THAT THE CAR IS IN NEUTRAL, ONLY THE GEAR SELECTOR ON THE DASH OR THE LIGHT ON THE BUTTON INDICATES THAT IT IS IN NEUTRAL. IF SOMETHING IS COVERING THE SHIFTER, SUCH AS A B..."

"THE SHIFTER IS DANGEROUS. IT ALLOWS YOU TO INADVERTENTLY SHIFT INTO NEUTRAL WHILE DRIVING. IN A CAR WITH A NORMAL SHIFTER, THE SHIFTER NEEDS TO BE PUSHED WITH SIGNIFICANT FORCE TO MOVE IT INTO NEUTRAL AND THE RESULTING THUNK WILL LET YOU KNOW IT HAPPENED. IN THIS CAR, SINCE IT IS AN ELECTRONIC BUT..."

"NEED THE OPTION TO DISABLE THE AUTO START FEATURE."

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