2004 Audi A4 Common Problems & Reliability Guide
Editorial and database insights into major issues and failure points for 2004 Audi A4.
Expert WIKI & Reliability Analysis
Every used vehicle has a set of potential warning factors, and the Audi A4 is no exception. With highly reliable first-time pass rate (80.5% first-time pass rate), it remains critical to analyze historical inspection sheets for repeating advisories.
Our aggregation logic underscores that common problems frequently originate from components like: tyre, headlamp, suspension arm. These faults are typical for vehicles running up against their median 8,142 mileages.
Ensure you verify whether the vehicle you are purchasing has a complete service record addressing these specific items before executing a sale.
Active vehicle records
Vehicles with active MOT
Off-road statutory notification
Clean pass runs on 1st attempt
Yearly distance driven
Top Common MOT Failures
- 1
tyre
Often flagged during annual MOT testing.
- 2
headlamp
Often flagged during annual MOT testing.
- 3
suspension arm
Often flagged during annual MOT testing.
Top Common MOT Advisories
- 1
tyre
Minor issues monitored by owners.
- 2
suspension arm
Minor issues monitored by owners.
- 3
brake disc
Minor issues monitored by owners.
Buying Guide & Expert Insights
This Audi A4 data was aggregated from over 306,344 independent MOT testing history records. Pass rates are based on the first-time test success of vehicles registered in the UK.