Pontiac G5 engine problems by year
16 NHTSA owner complaints name the engine across 3 G5 model years. The most reported year is 2007 with 7 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2009 G5 | 4 | 5% | — | |
| 2008 G5 | 5 | 4% | — | |
| 2007 G5 | 7 | 4% | — |
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.