There are 1 owner-reported suspension complaints for the 2000 Audi S4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THUNKING NOISE IN FRONT SUSPENSION FOR LAST TWO YEARS WHEN I GET ON THE GAS OR ON THE BRAKES. TWO SEPARATE DEALERS TOOK THE CAR FOR A ROAD TEST AND SAID IT WAS FINE. IT HAS GOTTEN PROGRESSIVELY LOUDER AND MORE NOTICEABLE. I AM WORRIED THAT THIS COULD BE LEADING UP TO A FAILURE OF THE SUSPENSION OR STEERING.*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