Chevrolet Cobalt engine problems by year
331 NHTSA owner complaints name the engine across 6 Cobalt model years. The most reported year is 2006 with 93 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2010 Cobalt | 38 | 7% | 87,440 mi | |
| 2009 Cobalt | 39 | 5% | 90,000 mi | |
| 2008 Cobalt | 36 | 4% | 79,490 mi | |
| 2007 Cobalt | 56 | 4% | 108,000 mi | |
| 2006 Cobalt | 93 | 4% | 101,000 mi | |
| 2005 Cobalt | 69 | 4% | 109,500 mi |
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.