Pontiac G6 engine problems by year
175 NHTSA owner complaints name the engine across 6 G6 model years. The most reported year is 2006 with 55 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2010 G6 | 4 | 1% | — | |
| 2009 G6 | 24 | 3% | 81,000 mi | |
| 2008 G6 | 36 | 3% | 98,000 mi | |
| 2007 G6 | 44 | 4% | 94,500 mi | |
| 2006 G6 | 55 | 3% | 115,000 mi | |
| 2005 G6 | 12 | 2% | — |
Share is the fraction of that year’s complaints naming the engine. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.