Pontiac G8
engine Problems
We don't have a lot of Pontiac G8 engine problems on file — feel free to add yours here. The most common G8 engine problems cost $800 to fix & occur at 110,000 miles.
Worst Pontiac G8 Engine Problems
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#1: Rattling Noise On Startup 2008 G8
- Average Cost to Fix:
- $800
- Average Mileage:
- 110,000 mi
We're actively collecting data on the worst engine problems for the Pontiac G8.
Please add any complaints you have so we have more helpful data to show!