2020 Gmc Terrain problems and recalls

Owners filed 117 complaints on the 2020 Gmc Terrain in the last three full years, out of 194 on record. The most cited component is the Service Brakes.

194
Complaints
2
Recalls
7
Crash reports
2
Fire reports
5
Injuries
47.9
Severity index

Severity index 47.9 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 47.9p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 68 of 103 by severity index among 2020 vehicles with at least 40 complaints, highest first. 34% of those vehicles scored lower. Full 2020 ranking.

Components cited in complaints

Service BrakesService Brakes: 70 complaints (36.1%)70 36%EngineEngine: 56 complaints (28.9%)56 29%Unknown Or OtherUnknown Or Other: 34 complaints (17.5%)34 18%Electrical SystemElectrical System: 27 complaints (13.9%)27 14%Power TrainPower Train: 26 complaints (13.4%)26 13%Fuel/Propulsion SystemFuel/Propulsion System: 25 complaints (12.9%)25 13%Vehicle Speed ControlVehicle Speed Control: 11 complaints (5.7%)11 6%Forward Collision Avoid…Forward Collision Avoidance: 8 complaints (4.1%)8 4%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
SERVICE BRAKES7036.1%
ENGINE5628.9%
UNKNOWN OR OTHER3417.5%
ELECTRICAL SYSTEM2713.9%
POWER TRAIN2613.4%
FUEL/PROPULSION SYSTEM2512.9%
VEHICLE SPEED CONTROL115.7%
FORWARD COLLISION AVOIDANCE84.1%

Complaints filed per year

032632019: 12020: 102021: 142022: 132023: 292024: 252025: 632026: 39 (partial year)192021222324256326
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20191
202010
202114
202213
202329
202425
202563
2026 (year to date)39
Filings in 2023 to 2025 ran 3.2x those in 2020 to 2022 (117 against 37).

Recall campaigns

CampaignReportedComponentSummary
20V66800029/10/2020POWER TRAIN:AUTOMATIC TRANSMISSIONGeneral Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadill
23V33900011/05/2023CHILD SEAT:VEHICLE LATCH ANCHORGeneral Motors, LLC (GM) is recalling certain 2020-2023 Chevrolet Equinox and GMC Terrain vehicles. The four rear-seat lower child seat LATCH anchorage bars may have excessive powder coating, which could prevent a child seat from being installed with the anchorage bars. As such

Other Gmc Terrain model years

Severity index for every other model year on file. Compare all 15 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-09-07. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.