There are 2 owner-reported suspension complaints for the 2003 Audi A4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
LOSS OF POWER OR LATE RESPONSE TO THROTTLE. TCS AND ABS LIGHT LIMININTED AFTER REPLACING SENSOR. VIBERTION IN PASSENGER SIDE AROUND 50 MPH OR BRAKING. REPLACED IGNITION COIL TWICE.
RIGHT FRONT HUB WHELL BEARING SEIZED INTO THE ADJOINING KNUCKLE. THIS FAILURE RESULTED FROM WHAT THE DEALER REPORTED TO BE "ELECTROLYSIS. WRONG CHOICE OF METALS IN THE WHEEL BEARING. WHEEL PARTIALLY SIEZED *AK.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026