131 problems have been reported for the 1998 Audi A6. The following chart shows the 19 most common problems for 1998 Audi A6. The number one most common problem is related to the vehicle's fuel system, gasoline with 29 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (17 problems).
The following chart shows the number of problems reported during each of the service years since the debut of the 1998 Audi A6 in 1998.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 | |
| 2003 | |
| 2002 | |
| 2001 | |
| 2000 | |
| 1999 | |
| 1998 |
When making the decision between buying a new or used Audi A6, the following table can be used to compare the 1998 Audi A6 with the Audi A6 from other model years. Note that the number of problems reported for the 1998 A6 is 131 while the average number of problems reported for the 25 model years of the Audi A6 is 62.