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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
Curious how the 2018 Terrain compares to other years?
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