Audi A6 Mk4 (C7) Problems by Year

Generally reliable but has specific issues with its V6 diesels and S tronic gearboxes.

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
2
Serious Faults
3
Moderate Issues

Select a Year Period

Browse Audi A6 Mk4 (C7) in our Directory

View MOT history, registration data, and reliability scores for the Audi Audi A6 Mk4 (C7).

View Audi A6 Mk4 (C7) Directory

Buying Tips for the Audi A6 Mk4 (C7)

  • Check for coolant leaks in the "V" of 3.0 TDI engines
  • S tronic (DSG) models need fluid changes every 38k miles
  • Listen for humming from the front wheels (wheel bearings)