Audi S4 electrical system problems by year
130 NHTSA owner complaints name the electrical system across 10 S4 model years. The most reported year is 2000 with 49 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2013 S4 | 2 | 6% | — | |
| 2012 S4 | 3 | 14% | — | |
| 2011 S4 | 2 | 8% | — | |
| 2010 S4 | 6 | 10% | — | |
| 2006 S4 | 4 | 13% | — | |
| 2005 S4 | 5 | 12% | — | |
| 2004 S4 | 2 | 7% | — | |
| 2002 S4 | 10 | 45% | — | |
| 2001 S4 | 47 | 54% | 70,000 mi | |
| 2000 S4 | 49 | 34% | 62,500 mi |
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.