2018 GMC Terrain GMC Terrain 2018

We are 103,000+ car owners sharing real-world car information.

Join Us

2018 GMC Terrain repairs by problem area

Engine (30%)

Transmission and Drivetrain (20%)

Brakes and Traction Control (0%)

Suspension and Steering (0%)

Electrical and Air Conditioning (40%)

Paint, Rust, Leaks, Rattles, and Trim (10%)

Other (0%)

Select a problem area

Show all problems

Need advice about a specific GMC Terrain problem?

Chart based on 10 repairs.
See TSBs and recalls for the 2018 GMC Terrain.

2018 GMC Terrain 4dr SUV

turbocharged 252hp 2.0L I4 9-speed shiftable automatic 4WD

620 mi Rear Differential Clutch control Module 

Return to top

2018 GMC Terrain 4dr SUV

turbocharged 170hp 1.5L I4 9-speed shiftable automatic FWD

1000 mi Continual check engine lights; erratic auto-stop activity. Unable to shift into reverse. 

Return to top

See TrueDelta's information for all SUVs
See TrueDelta's information for all GMC models.

2018 GMC Terrain Transmission Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2018 GMC Terrain problems occur, check out our car reliability stats.