33 problems have been reported for the 2004 Audi S4. The following chart shows the 12 most common problems for 2004 Audi S4. The number one most common problem is related to the vehicle's engine and engine cooling with 15 problems. The second most common problem is related to the vehicle's power train (4 problems).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling | |
| Power Train | |
| Exterior Lighting | |
| Steering | |
| Electrical System | |
| Visibility | |
| Seat Belt | |
| Structure | |
| Service Brakes | |
| Air Bag | |
| Unknown Or Other | |
| Tire |
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 Audi S4 in 2004.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 |
When making the decision between buying a new or used Audi S4, the following table can be used to compare the 2004 Audi S4 with the Audi S4 from other model years. Note that the number of problems reported for the 2004 S4 is 33 while the average number of problems reported for the 16 model years of the Audi S4 is 36.