Audi A4 Mk5 (B9) Problems by Year
A strong used executive car with efficient engines and a modern cabin.
Select a year below to see the specific problems affecting that model year, with estimated repair costs and severity ratings.
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Year Periods
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Known Issues
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Serious Faults
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Moderate Issues
Select a Year Period
Browse Audi A4 Mk5 (B9) in our Directory
View MOT history, registration data, and reliability scores for the Audi Audi A4 Mk5 (B9).
View Audi A4 Mk5 (B9) DirectoryBuying Tips for the Audi A4 Mk5 (B9)
- ✓Check virtual cockpit, MMI and reversing camera thoroughly
- ✓TDI buyers should watch for NOx-sensor and AdBlue faults
- ✓S tronic cars should feel clean and decisive