Model Year Problem Record

GMC Terrain 2020 - Problems, Recalls, and Investigations

The complete public record for the 2020 GMC Terrain: what owners reported, which systems drew recalls, and where complaints exist that no recall has ever covered.

198Distinct owner complaintsSource: NHTSA Complaints

2Recall campaignsSource: NHTSA Recalls

0Defect investigationsSource: NHTSA Investigations

13Complaints reporting a crash or fireOwner Reports, Unverified

Complaints by System

Distinct complaints naming each system, most reported first. Select a system for its own page.

Brakes73

Engine61

Unknown Or Other34

Fuel and Propulsion System32

Power Train28

Electrical System27

Driver Assistance and Stability Systems20

Vehicle Speed Control11

Did a Recall Cover It?

The join between complaints and recalls for this model year, system by system. A gap does not prove a defect - it means owners reported the problem and no recall campaign covers that system on this model year.

Brakes73 complaints

73 complaints; no recall campaign covers this system.

Engine61 complaints

61 complaints; no recall campaign covers this system.

Unknown Or Other34 complaints

34 complaints; no recall campaign covers this system.

Fuel and Propulsion System32 complaints

32 complaints; no recall campaign covers this system.

Power Train28 complaints

28 complaints; 1 recall campaign covers this system. Campaigns: 20V668000.

Electrical System27 complaints

27 complaints; no recall campaign covers this system.

Driver Assistance and Stability Systems20 complaints

20 complaints; no recall campaign covers this system.

Vehicle Speed Control11 complaints

11 complaints; no recall campaign covers this system.

Vehicle Structure5 complaints

5 complaints; no recall campaign covers this system.

Visibility4 complaints

4 complaints; no recall campaign covers this system.

Air Bags3 complaints

3 complaints; no recall campaign covers this system.

Steering3 complaints

3 complaints; no recall campaign covers this system.

Suspension2 complaints

2 complaints; no recall campaign covers this system.

Wheels2 complaints

2 complaints; no recall campaign covers this system.

Seats2 complaints

2 complaints; 1 recall campaign covers this system. Campaigns: 23V339000.

Lighting1 complaints

1 complaints; no recall campaign covers this system.

Seat Belts1 complaints

1 complaints; no recall campaign covers this system.

Recall Campaigns

Every campaign covering this model year, in our own words. The campaign number is the official reference.

20V668000Reported October 29, 2020 - 194,105 vehicles potentially affected

Power Train. Recall covering the power train system, reported to NHTSA on October 29, 2020. The campaign covers an estimated 194,105 vehicles across all affected models.

23V339000Reported May 11, 2023 - 668,187 vehicles potentially affected

Seats. Recall covering the seats system, reported to NHTSA on May 11, 2023. The campaign covers an estimated 668,187 vehicles across all affected models.

Complaints by Year Received

When this model year's complaints reached NHTSA - whether its problems surfaced early or late in its life.

20191

202010

202114

202213

202329

202425

202563

202643

How to Read These Counts: complaint counts are owner reports to NHTSA, not failure rates. Older and higher-volume vehicles accumulate more reports, and counts are not adjusted for vehicles sold - no per-sales rate or reliability ranking is shown, because the public data does not support one.

Data as of October 30, 2026. Sources: NHTSA Office of Defects Investigation complaints, recalls, and investigations files (U.S. Government public domain). DefectRecord is not affiliated with NHTSA or any manufacturer. For your specific vehicle, use NHTSA's VIN lookup. Report an error.