There are 1 owner-reported brakes complaints for the 2005 Audi S4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
IN AUGUST 2006 WHILE DRIVING MY 2005 AUDI S4 CONVERTIBLE ON A BUSY STREET IN BLOOMINGTON, INDIANA AT 45-50 MPH, MY CAR DIED WITHOUT WARNING...I.E. NO POWER STEERING, BRAKES. I WAS ABLE TO NAVIGATE IT OFF-ROAD AND THEN TOWED TO ROYAL AUDI IN BLOOMINGTON, IN. THEY KEPT THE CAR OVER A MONTH THINKING MAYBE I NEEDED A NEW ENGINE. HOWEVER, EVENTUALLY THEY SAID IT WAS A FUSE WHICH WAS REPLACED AND THE CAR DROVE FINE. HOWEVER, DRIVING CROSS-COUNTRY IN JANUARY 2007 WHILE ON I40 IN WEST OKLAHOMA, TRYING TO PASS AN ENORMOUS TRUCK, I FOUND I HAD NO BRAKES AND REAR-ENDED ANOTHER SIMILAR LARGE TRUCK ,TOTALING MY CAR. DESPITE A SEVERE ACCIDENT NO AIRBAGS DEPLOYED EITHER ON THE DRIVERS OR PASSENGER'S SIDE. *TR
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