There are 3 owner-reported speed control & cruise complaints for the 2004 Audi A8in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
VEHICLE EXPERIENCED SUDDEN ACCELERATION FROM 30 TO 80 MILES PMH. CONSUMER HAD TO STOMP ON BRAKES SEVERAL TIMES IN ORDER TO STOP THE VEHICLE. TAKEN TO DEALER TO RESET THE COMPUTER, BUT THE CAUSE WAS UNDETERMINED.*AK
WHILE DRIVING AND UPON DEPRESSING THE ACCELERATOR PEDAL IT STUCK, CAUSING THE SPEED TO GO UP TO 70-80 MPH. ACCELERATOR PEDAL DID NOT RETURN TO THE UPRIGHT POSITION. THIS HAPPENED TWICE. *AK
DT: THE CONTACT STATED VEHICLE HAS ACCELERATED ON ITS OWN TWICE. THE FIRST TIME IT TOOK OFF HE HAD TO PUT IN NEUTRAL AND COAST INTO A PARKING LOT. THE VEHICLE WAS PUT IN DRIVE AND MOVED OUT OF THE MAIN PART OF THE PARKING LOT. THE VEHICLE WAS PUT BACK INTO NEUTRAL AND TURNED OFF. IT WAS TOWED TO THE DEALERSHIP. THEY COULD NOT DUPLICATE THE PROBLEM. THIS HAPPENED AGAIN APPROXIMATELY 18 MONTHS LATER. HE DROVE IN DRIVEWAY AND PUT THE VEHICLE IN NEUTRAL TO PICK UP THE PAPER. THE VEHICLE ACCELERATED AND HE TURNED IT AROUND. THE CONTACT STOOD ON THE BRAKES AND COASTED TO THE END OF THE DRIVEWAY. THE VEHICLE WAS TOWED TO THE DEALERSHIP. THEY COULD NOT DUPLICATE THE PROBLEM. THE DEALERSHIP CLEANED DEBRIS AWAY FROM THE ACCELERATOR, AND SAID THE RUG MAY HAVE BEEN STUCK. *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