Chevrolet Impala electrical system problems by year
3,424 NHTSA owner complaints name the electrical system across 22 Impala model years. The most reported year is 2004 with 681 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2019 Impala | 9 | 32% | — | |
| 2018 Impala | 11 | 19% | — | |
| 2017 Impala | 15 | 13% | — | |
| 2016 Impala | 30 | 27% | 48,382 mi | |
| 2015 Impala | 95 | 32% | 59,762 mi | |
| 2014 Impala | 220 | 35% | 66,500 mi | |
| 2013 Impala | 52 | 19% | 60,000 mi | |
| 2012 Impala | 58 | 22% | 55,000 mi | |
| 2011 Impala | 95 | 19% | 77,500 mi | |
| 2010 Impala | 132 | 30% | 78,000 mi | |
| 2009 Impala | 224 | 27% | 84,807 mi | |
| 2008 Impala | 221 | 27% | 85,677 mi | |
| 2007 Impala | 128 | 20% | 84,275 mi | |
| 2006 Impala | 124 | 24% | 85,000 mi | |
| 2005 Impala | 331 | 54% | 79,000 mi | |
| 2004 Impala | 681 | 64% | 70,000 mi | |
| 2003 Impala | 264 | 38% | 99,800 mi | |
| 2002 Impala | 305 | 38% | 85,000 mi | |
| 2001 Impala | 225 | 30% | 100,000 mi | |
| 2000 Impala | 187 | 23% | 99,000 mi | |
| 1996 Impala | 11 | 13% | — | |
| 1995 Impala | 6 | 14% | — |
Share is the fraction of that year’s complaints naming the electrical system. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.