260 problems have been reported for the 1998 Audi A4. The following chart shows the 20 most common problems for 1998 Audi A4. The number one most common problem is related to the vehicle's service brakes, hydraulic with 108 problems. The second most common problem is related to the vehicle's engine and engine cooling (30 problems).
The following chart shows the number of problems reported during each of the service years since the debut of the 1998 Audi A4 in 1998.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
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| 1998 |
When making the decision between buying a new or used Audi A4, the following table can be used to compare the 1998 Audi A4 with the Audi A4 from other model years. Note that the number of problems reported for the 1998 A4 is 260 while the average number of problems reported for the 25 model years of the Audi A4 is 128.