Pontiac G6 engine and engine cooling problems by year
81 NHTSA owner complaints name the engine and engine cooling across 5 G6 model years. The most reported year is 2006 with 33 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2009 G6 | 8 | 1% | — | |
| 2008 G6 | 9 | 1% | — | |
| 2007 G6 | 13 | 1% | — | |
| 2006 G6 | 33 | 2% | 55,000 mi | |
| 2005 G6 | 18 | 3% | 69,000 mi |
Share is the fraction of that year’s complaints naming the engine and engine cooling. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.