How many engine complaints does the 2018 GMC Terrain have?

NHTSA lists 58 engine complaints for the 2018 Terrain, which is 26% of the 220 total complaints filed for that model year.

At what mileage do 2018 Terrain engine problems usually appear?

The median mileage at failure for engine-related complaints is 18,000 miles.

Is there a recall for the 2018 GMC Terrain engine?

No related recalls are listed in NHTSA data for this engine complaint area, though one owner mentioned a separate recall involving the engine block heater.

Were there any crashes or fires linked to engine complaints?

NHTSA data shows 1 crash and 1 fire among the 58 engine complaints for the 2018 Terrain, with 0 injuries reported.

How does the 2018 Terrain compare to other years for engine complaints?

The 2018 Terrain's engine complaints made up 26% of its total complaints, lower than years like 2011 (54%), 2013 (57%), and 2017 (59%).

2018 GMC Terrain Engine Problems

NHTSA lists 58 engine complaints for the 2018 GMC Terrain, 26% of its 220 total complaints for the year, with a median failure mileage of 18,000 miles. No related recalls are listed for this engine issue.

Engine complaints: 58; 26% of 220
Crashes reported: 1
Fires reported: 1
Injuries reported: 0
Median mileage: 18,000 mi
Related recalls: 0

Typical engine symptoms owners report

Vehicles lose propulsion or power while driving, with the engine revving up but the vehicle failing to accelerate or move forward.
Owners describe the engine stalling, stuttering, or jerking during acceleration and deceleration, sometimes with a vacuum-cleaner-like noise.
The auto stop/start feature reportedly fails to shut off the engine at stops or is slow to restart when pulling into traffic, described as a safety concern.
A p050f diagnostic code appears in multiple complaints, tied to a service engine soon light and a reported brake booster leak.
One complaint describes a burning odor from the vents along with steering wheel vibration and an electrical system failure.
A separate complaint mentions a recall involving the engine block heater, with the owner unable to get the replacement part.

When 2018 GMC Terrain engine complaints were filed

First complaint Apr 16, 2018, latest Aug 24, 2026.

58 complaints filed with NHTSA from Apr 2018 to Aug 2026; peak Jul 2023 (3).

Engine recalls for the 2018 GMC Terrain

No safety recalls on record for this model year.

Engine complaints by Terrain model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

2010126 (43%)
2011207 (54%)
2012179 (49%)
2013206 (57%)
2014130 (44%)
201583 (28%)
201648 (32%)
201779 (59%)
201858 (26%)
201976 (41%)
202067 (34%)
202111 (31%)
202213 (22%)
202316 (41%)
202413 (27%)
20253 (23%)

Frequently asked questions

How many engine complaints does the 2018 GMC Terrain have?: NHTSA lists 58 engine complaints for the 2018 Terrain, which is 26% of the 220 total complaints filed for that model year.
At what mileage do 2018 Terrain engine problems usually appear?: The median mileage at failure for engine-related complaints is 18,000 miles.
Is there a recall for the 2018 GMC Terrain engine?: No related recalls are listed in NHTSA data for this engine complaint area, though one owner mentioned a separate recall involving the engine block heater.
Were there any crashes or fires linked to engine complaints?: NHTSA data shows 1 crash and 1 fire among the 58 engine complaints for the 2018 Terrain, with 0 injuries reported.
How does the 2018 Terrain compare to other years for engine complaints?: The 2018 Terrain's engine complaints made up 26% of its total complaints, lower than years like 2011 (54%), 2013 (57%), and 2017 (59%).