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2020 GMC Terrain
Problems & Complaints
Worst 2020 GMC Terrain Problems by Category
Click on a category below for details. Help?
- electrical problems
- miscellaneous problems
- engine problems
- brakes problems
- drivetrain problems
- suspension problems
- wheels / hubs problems
- steering problems
- seat belts / air bags problems
- fuel system problems
- exterior accessories problems
- body / paint problems
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Worst 2020 GMC Terrain Problems
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#1: Drivers Door Does Not Lock If Key Fob Is Inside Vehicle 2020 Terrain
- Average Cost to Fix:
- N/A
- Average Mileage:
- 8,000 mi
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