Pontiac G6
exhaust system Problems
We don't have a lot of Pontiac G6 exhaust system problems on file — feel free to add yours here. The most common G6 exhaust system problems cost $600 to fix & occur at 74,000 miles.
The worst model years for exhaust system problems are the 2006 G6, 2007 G6, and the 2008 G6.
Worst Pontiac G6 Exhaust System Problems
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#1: Faulty Catalytic Converter 2006 G6
- Average Cost to Fix:
- $800
- Average Mileage:
- 100,000 mi
-
#2: Loud Squealing Noise When Driving 2007 G6
- Average Cost to Fix:
- $700
- Average Mileage:
- 36,000 mi
-
#3: Catalytic Converter Failure 2008 G6
- Average Cost to Fix:
- $400
- Average Mileage:
- 85,000 mi