2019 GMC Terrain problems
Owners have filed 294 complaints about the 2019 GMC Terrain with NHTSA. Engine accounts for 22.1% of them — narrowly the most common, ahead of service brakes at 20.4%.
Complaints294
Crashes7
Fires3
Injuries12
Deaths0
What owners report breaking
Engine 22.1% · 65
Service brakes 20.4% · 60
Power train 17.0% · 50
Electrical system 12.6% · 37
Unknown or other 7.1% · 21
Vehicle speed control 3.1% · 9
Service brakes, hydraulic 2.7% · 8
Forward collision avoidance 2.4% · 7
Severity
Of those complaints, 7 describe a crash, 3 describe a fire and 12 report an injury.
Reading the numbers
Across the 11 model years of the GMC Terrain in this data, 2019 draws comparatively few complaints; 2011 is the outlier year.
Filings are rising — 140 in the last three years against 114 in the three before. For a vehicle this age that usually points to a wear-related failure owners are hitting now.
The median odometer reading at the time of complaint was 18,800 miles.
In owners' own words
When aggressively accelerating to merge or pass another driver, the 2.0T engine paired with an awd platform will loose power and 3 sensor lights will flash and illuminate traction control, awd and check engine indicating a cylinder misfire. Event occurred first at 2000 miles and vehicles serviced at dealership and second event occurred at 4500 miles and returned to original dealership where purchased. Engine · reported at 4,500 miles
Drove car approximately 15 miles. Parked car. Car would not turn off. Message- Transmission/Park. Wouldn't Car stayed neutral. Had to call wecker to take dealership. ... Diagnostic Solenoid Valve Body faulty.... 2019 Terrain Miles 91669. Is there recall. Have more reports of issue. Should this happen with a well maintained vehicle All maintenance updated to date. Engine
July 10, 2019 at highway speed upon acceleration turbo body tube blew off suddenly and engine reduced to half power / check engine light comes on. This happened after only 1000 miles on new car. After a repair by dealership july 11,2019 same problem occurred july 12, 2019 while on highway. Engine
Verbatim from NHTSA filings. Complaints are unverified owner reports.
Safety recalls
Checking NHTSA for open recalls…