2018 GMC Terrain GMC Terrain 2018

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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%)

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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

25000 mi Stereo software had a glitch where it would not tune properly. 
4320 mi Took vehicle in for 1st oil change since purchase. Also had issue with the auto START/STOP not working and Low Battery Warning messages at start up. Dealer also did recall for software update.. Link:https://www.repairprocedures.com/bul...1/5508268.html Attempted to start car in AM battery was completely dead. Called dealer and reported it and was asked to return car for servicing. Contacted AAA and had car jump started. Drove car to dealer and returned home in a loaner car. Dealer called in late afternoon and said car was ready. The 'new' battery that was installed on 03/03/20 was replaced again and electrical system was checked and found to be within specs per the service rep. The invoice noted that the failed 48 AGM battery had 0 CCA. 
1860 mi Recall - airbag Sensor 

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2018 GMC Terrain Electrical 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.