Chevrolet Impala engine problems by year
1,260 NHTSA owner complaints name the engine across 20 Impala model years. The most reported year is 2009 with 179 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2019 Impala | 2 | 7% | — | |
| 2018 Impala | 7 | 12% | — | |
| 2017 Impala | 21 | 18% | 48,000 mi | |
| 2016 Impala | 20 | 18% | 70,000 mi | |
| 2015 Impala | 19 | 6% | 80,000 mi | |
| 2014 Impala | 56 | 9% | 66,000 mi | |
| 2013 Impala | 30 | 11% | 57,000 mi | |
| 2012 Impala | 40 | 16% | 45,545 mi | |
| 2011 Impala | 125 | 25% | 77,838 mi | |
| 2010 Impala | 88 | 20% | 77,500 mi | |
| 2009 Impala | 179 | 22% | 90,680 mi | |
| 2008 Impala | 134 | 17% | 99,660 mi | |
| 2007 Impala | 77 | 12% | 100,000 mi | |
| 2006 Impala | 59 | 11% | 114,000 mi | |
| 2005 Impala | 30 | 5% | 128,550 mi | |
| 2004 Impala | 71 | 7% | 126,000 mi | |
| 2003 Impala | 88 | 13% | 120,000 mi | |
| 2002 Impala | 75 | 9% | 134,000 mi | |
| 2001 Impala | 68 | 9% | 138,000 mi | |
| 2000 Impala | 71 | 9% | 149,000 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.