Chevrolet HHR engine problems by year
132 NHTSA owner complaints name the engine across 6 HHR model years. The most reported year is 2006 with 39 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2011 HHR | 24 | 12% | 68,524 mi | |
| 2010 HHR | 14 | 3% | 65,125 mi | |
| 2009 HHR | 18 | 4% | 85,827 mi | |
| 2008 HHR | 19 | 3% | 131,500 mi | |
| 2007 HHR | 18 | 2% | 70,000 mi | |
| 2006 HHR | 39 | 4% | 80,844 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.