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2018 GMC Terrain
Problems & Complaints
Worst 2018 GMC Terrain Problems by Category
Click on a category below for details. Help?
- brakes problems
- electrical problems
- interior accessories problems
- engine problems
- exhaust system problems
- AC / heater problems
- body / paint problems
- wheels / hubs problems
- windows / windshield problems
- drivetrain problems
- miscellaneous problems
- seat belts / air bags problems
- fuel system problems
- steering problems
- exterior accessories problems
- suspension problems
- clutch problems
- lights problems
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Compare GMC Terrain Model Years
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Check out our GMC Terrain overview to see the most problematic years, worst problems and most recently reported complaints with the Terrain.
Worst 2018 GMC Terrain Problems
-
#1: Service Brake Assist - Deadly Brake Software Issue 2018 Terrain
- Average Cost to Fix:
- $500
- Average Mileage:
- 62,000 mi
-
#2: Catalytic Converter Clogged 2018 Terrain
- Average Cost to Fix:
- $2,300
- Average Mileage:
- 101,000 mi
-
#3: Touch Screen Black Out 2018 Terrain
- Average Cost to Fix:
- N/A
- Average Mileage:
- 10,000 mi