Skip to content
EnginePart report

2026 GMC Terrain Engine Problems

Complaints
1about this part
Share
3%of 33 total for the year
Median mileage
—not reported
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 1 complaints about the engine of the 2026 GMC Terrain, 3% of the 33 complaints for this model year.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Related service bulletins

Engine: other model years

YearComplaintsShare of year
202613%
2025215%
20241121%
20231537%
20221017%
20211028%
20205829%
20197037%
20185524%
20177959%
20164630%
20158127%
201412341%
201319854%
201216946%
201117846%
201010737%

Other parts of the 2026 GMC Terrain

Other or unknown
9 complaints
Forward collision avoidance
6 complaints
Electrical system
5 complaints
Suspension
5 complaints
Transmission and drivetrain
5 complaints
Brakes
4 complaints
Wheels
4 complaints
Steering
3 complaints
Lane departure
2 complaints
Body and structure
2 complaints
Back-over prevention (rear camera)
1 complaints
Latches, locks and linkages
1 complaints

← All problems reported for the 2026 GMC Terrain

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology