Audi A6 Mk2 (C5) Problems by Year

A spacious and comfortable cruiser, but age means suspension and water ingress issues are the primary concerns.

Select a year below to see the specific problems affecting that model year, with estimated repair costs and severity ratings.

2
Year Periods
5
Known Issues
1
Serious Faults
4
Moderate Issues

Select a Year Period

Browse Audi A6 Mk2 (C5) in our Directory

View MOT history, registration data, and reliability scores for the Audi Audi A6 Mk2 (C5).

View Audi A6 Mk2 (C5) Directory

Buying Tips for the Audi A6 Mk2 (C5)

  • Check the front carpets for dampness (blocked plenum drains)
  • The multi-link front suspension is complex and expensive to refresh
  • 1.8T models need proof of regular oil changes