GMC Terrain
fuel system Problems
We don't have a lot of GMC Terrain fuel system problems on file — feel free to add yours here. The most common Terrain fuel system problems cost $600 to fix & occur at 21,000 miles.
The worst model years for fuel system problems are the 2012 Terrain, 2015 Terrain, and the 2014 Terrain.
Worst GMC Terrain Fuel System Problems
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#1: Poor Gas Mileage 2015 Terrain
- Average Cost to Fix:
- N/A
- Average Mileage:
- 0 mi
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#2: Poor MPG 2012 Terrain
- Average Cost to Fix:
- N/A
- Average Mileage:
- 26,000 mi
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#3: Fuel Line Snapped While Driving 2013 Terrain
- Average Cost to Fix:
- $600
- Average Mileage:
- 37,000 mi