NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
87 reports25,000 miles · Jan 25, 2006
Air BagsService Brakes, HydraulicCrash
1) CAR IS 2001 AUDI S4 AVANT. CAR WAS RUNNING FOR APPROXIMATELY 15 MINUTES, AND WAS IDLING AT TOP OF DRIVEWAY FOR ABOUT 5 MINUTES WITH PARKING BRAKE ENGAGED WHILE OTHER CAR IN FRONT WAS BEING MOVED. UPON RELEASE OF PARKING BRAKE REGULAR BRAKES FAILED, RESULTING IN CAR ROLLING DOWNHILL, ABOUT 30 FEET, FROM A STANDING START A…
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1) CAR IS 2001 AUDI S4 AVANT. CAR WAS RUNNING FOR APPROXIMATELY 15 MINUTES, AND WAS IDLING AT TOP OF DRIVEWAY FOR ABOUT 5 MINUTES WITH PARKING BRAKE ENGAGED WHILE OTHER CAR IN FRONT WAS BEING MOVED. UPON RELEASE OF PARKING BRAKE REGULAR BRAKES FAILED, RESULTING IN CAR ROLLING DOWNHILL, ABOUT 30 FEET, FROM A STANDING START AND COLLIDING WITH A PARKED CAR. BRAKE PEDAL SHOWED NO RESISTANCE OTHER THAN MILD SPRING PUSH-BACK, AND WAS PUSHED DOWN TO FLOOR. A BRAKE PEDAL WAS PUMPED WITH NO RESULT. SAME BRAKE CONDITIONS WERE REPEATED IMMEDIATELY AFTER COLLISION AND OVER A CONTINUING PERIOD OF MINUTES WITH IDENTICAL RESULTS, DURING WHICH TIME I EXITED AND RETURNED TO CAR ON MULTIPLE OCCASIONS. FINALLY, AFTER APPROXIMATELY 5 MINUTES FOLLOWING THE ACCIDENT BRAKES RESUMED FULL AND NORMAL FUNCTIONING. CAR WAS IDLING THROUGHOUT THIS TIME PERIOD WITHOUT INTERRUPTION. AIR BAGS DID NOT DEPLOY . 3) REPORTED TO DEALER MOHEGAN LAKE MOTORS) ON 1/16 AND TO AUDI AMERICA ON SAME OR NEXT DAY. CAR TOWED TO DEALER ON 1/17. AUDI AMERICA REPORTED LATER THAT THEY HAD NO KNOWLEDGE OF ANY SIMILAR OCCURRENCES OR ISSUES CONCERNING BRAKES - ALSO BEGAN INQUIRY ON WHY AIR BAGS DID NOT DEPLOY , BUT I DID NOT PURSUE THIS DURING OUR DISCUSSIONS SINCE THERE WERE NO INJURIES. DEALER REPORTED ON 1/24 THAT THEY WERE UNABLE TO DUPLICATE THE PROBLEM, AND HAD NO ANSWER FOR THE BRAKE FAILURE, AND WERE TAKING NO CORRECTIVE ACTIONS. AUDI AMERICA REPORTED ON 1/25 THEY WERE TAKING NO FURTHER ACTION AND MAKING NO FURTHER INQUIRIES. *AK
NHTSA ODI #10148597
29,477 miles · Sep 23, 2005
Engine And Engine Cooling
DT: THERE WAS A CAM ADJUSTER FROM WHERE THE OIL LEAK WAS COMING FROM. NOTICED THIS ON AUGUST 8, 2003. THEN, ON JULY 24, 2004 TOOK THE VEHICLE FOR AN OIL CHANGE A ND THEY CONFIRMED THERE WAS ANOTHER OIL LEAK. THE WARRANTY EXPIRED IN NOVEMBER 2005, AND THE CONSUMER MADE ARRANGEMENTS FOR THE GASKETS TO BE REPLACED A MONTH BEF…
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DT: THERE WAS A CAM ADJUSTER FROM WHERE THE OIL LEAK WAS COMING FROM. NOTICED THIS ON AUGUST 8, 2003. THEN, ON JULY 24, 2004 TOOK THE VEHICLE FOR AN OIL CHANGE A ND THEY CONFIRMED THERE WAS ANOTHER OIL LEAK. THE WARRANTY EXPIRED IN NOVEMBER 2005, AND THE CONSUMER MADE ARRANGEMENTS FOR THE GASKETS TO BE REPLACED A MONTH BEFORE THE WARRANTY RAN OUT. IN ORDER TO GET TO THE GASKETS THE CAM SHAFTS HAD TO BE REMOVED. THE GASKETS WERE REPLACED,, AND CAM SHAFT REINSTALLED, THEN GAVE IT A TUNE UP. ALSO, PUT IN TWO DIFFERENT TYPES OF SPARK PLUGS; ONE SET WAS PLATINUM AND CONVENTIONAL. A WEEK LATER, IT WAS READY FOR PICK UP. THE EXHAUST SOUNDED DIFFERENT WHEN VEHICLE PICKED UP. ON JANUARY 31, 2005 TOOK VEHICLE TO ANOTHER MECHANIC BECAUSE THE CHECK ENGINE WAS ON. AT THAT POINT MECHANIC DETERMINED O2 SENSORS CAUSED THE LIGHT TO COME ON, AND THE EXHAUST SOUNDED DIFFERENTLY. THEN, THREE MONTHS LATER, THE EXHAUST CAM SHAFT THAT BROKE IT BENT VALVES IN CYLINDER HEAD AND CAUSED IT TO CRACK. *AK
NHTSA ODI #10137450
20,000 miles · Jun 8, 2005
Electrical System
DT: INSTRUMENT PANEL WAS DAMAGED UPON DELIVERY OF VEHICLE, WAS REPLACED BY DEALERSHIP, CONSUMER COMPLAINED NUMEROUS TIMES ABOUT ELECTRICAL PROBLEMS, NOT ABLE TO VIEW INSTRUMENT PANEL PROPERLY. WHEN REPLACED THE INSTRUMENT PANEL ALREADY HAD SIGNS OF WEAR AND NEEDED TO BE REPLACED AGAIN.*AK
NHTSA ODI #10124618
35,000 miles · Jun 8, 2005
Seat Belts
DT: SEAT BELT DOES NOT INSERT PROPERLY INTO DRIVER'S SIDE BUCKLE. CONSUMER COMPLAINED TO DEALERSHIP MULTIPLE TIMES. THE SEAT BELT HAS RELEASED WHILE CONSUMER WAS DRIVING.*AK
NHTSA ODI #10124616
31,000 miles · Jun 8, 2005
Exterior LightingCrash
DT: 2001, AUDI S4 WAS DAMAGED UPON DELIVERY. VEHICLE WAS TAKEN BACK TO THE DEALER TO FIX THE PROBLEM, WHEN THE PROBLEM WAS FIXED HEADLAMPS WERE SPRAYED WITH PAINT. UPON DELIVERING THE HEADLAMPS THEY WERE INSTALLED INCORRECTLY, THEY WERE POINTING DOWN, AND CONSUMER COULDN'T SEE TWO FEET IN FRONT OF HIM. CONSUMER TOOK THE VEHIC…
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DT: 2001, AUDI S4 WAS DAMAGED UPON DELIVERY. VEHICLE WAS TAKEN BACK TO THE DEALER TO FIX THE PROBLEM, WHEN THE PROBLEM WAS FIXED HEADLAMPS WERE SPRAYED WITH PAINT. UPON DELIVERING THE HEADLAMPS THEY WERE INSTALLED INCORRECTLY, THEY WERE POINTING DOWN, AND CONSUMER COULDN'T SEE TWO FEET IN FRONT OF HIM. CONSUMER TOOK THE VEHICLE BACK AGAIN, AND THE HEADLAMPS WERE INSTALLED WRONG AGAIN. WHEN CONSUMER TOOK VEHICLE TO ANOTHER DEALER, WAS TOLD THE HEADLAMPS WERE DEFECTIVE, AND THEY WOULD NEVER WORK CORRECTLY. CONSUMER DID HAVE A CRASH IN THE WINTER OF 2001, AND THERE WAS STILL POTENTIAL OF A CRASH. CONSUMER STATESDTHAT HE STILL COULDN'T SEE AT NIGHT. CONSUMER HAD NUMEROUS VISITS FOR THIS AND OTHER COMPLAINTS. *AK
NHTSA ODI #10124613
62,000 miles · Jan 25, 2005
Suspension
NORMAL DAY TO DAY DRIVING HAS PRODUCED FAILURE OF TWO SETS OF FRONT WHEEL BEARINGS ON THIS CAR. THE ORIGINAL EQUIPMENT MADE NOISE AT ABOUT 30,000 MILES AND FAILED COMPLETELY AT 62,000 MILES. THE SECOND SET I HAVE NOW ARE RUMBLING AND GRINDING NOW AND THEY HAVE ONLY BEEN ON THE CAR FOR 20,000 MILES. CONSEQUENCE OF A WHEEL BE…
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NORMAL DAY TO DAY DRIVING HAS PRODUCED FAILURE OF TWO SETS OF FRONT WHEEL BEARINGS ON THIS CAR. THE ORIGINAL EQUIPMENT MADE NOISE AT ABOUT 30,000 MILES AND FAILED COMPLETELY AT 62,000 MILES. THE SECOND SET I HAVE NOW ARE RUMBLING AND GRINDING NOW AND THEY HAVE ONLY BEEN ON THE CAR FOR 20,000 MILES. CONSEQUENCE OF A WHEEL BEARING FAILURE IS LOSS OF CONTROL (STEERING) OF THE VEHICLE. THIS IS AFTER RUNNING A CAR WEARING EAR PLUGS BECAUSE THE BEARING NOISE MAKES THE INTERIOR NOISE IS SO LOUD THERE COULD BE HEARING LOSS FROM EXTENDED TRIPS. DEALER ONLY REPLACED BEARING AFTER IT FAILED AND WELDED ITSELF TO THE WHEEL HOUSING. I HAVE THE FRIED WHEEL BEARING FROM ONE SIDE AND THE HOUSING IT WELDED ITSELF TO. I ALSO STILL HAVE THE SECOND SET BECAUSE I AM RUNNING ON THEM AND THEY ARE MAKING THE SAME RUMBLING, MOANING, GRINDING NOISE THE FIRST SET MADE. *NM
NHTSA ODI #10107898
Mileage unknown · Jun 19, 2004
Seats
DRIVER SEAT BEGAN TO ROCK. CURRENTLY ROCKS AT A MUCH GREATER DISTANCE, BROUGHT TO THE DEALERSHIP AND HEY CLAIM IT IS WITHIN THE MANUFACTURERS SPECIFICATIONS.*AK
NHTSA ODI #10078488
40,000 miles · Jun 19, 2004
Seats
2001 AUDI S4 DRIVERS SEAT SHIFTS WHILE DRIVING. FIRST INCIDENT WAS REPAIRED BY DEALER BY REPLACING EITHER SEAT FRAME OR SEAT RAILS. SAME FAILURE RESURFACED WITHIN ONE YEAR. SHIFT IS INTERMITTANT AND AND UNPREDICTABLE. CAUSES DISTRACTION AND CHANGES BODY POSITION WHILE MOVING. *AK
NHTSA ODI #10078480
14,000 miles · Jun 19, 2004
Seats
ROCKING DRIVERS SEAT, NORMAL DRIVING, MAN OF AVERAGE SIZE 5'11 180LBS. SEAT STARTS TO MOVE FORWARD AND BACK WHEN BRAKING, ACCELERATING.*AK DEALER HAS REPLACED THE SEAT FRAME TWICE CITING THAT IT WAS BROKEN. NOW THE SEAT IS ROCKING AGAIN AND THEY ARE NOW SAYING IT'S NORMAL. IT'S NOT NORMAL, WHY DOES THE SEAT MOVE BACK AND FORT…
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ROCKING DRIVERS SEAT, NORMAL DRIVING, MAN OF AVERAGE SIZE 5'11 180LBS. SEAT STARTS TO MOVE FORWARD AND BACK WHEN BRAKING, ACCELERATING.*AK DEALER HAS REPLACED THE SEAT FRAME TWICE CITING THAT IT WAS BROKEN. NOW THE SEAT IS ROCKING AGAIN AND THEY ARE NOW SAYING IT'S NORMAL. IT'S NOT NORMAL, WHY DOES THE SEAT MOVE BACK AND FORTH? WHEN THEY REPLACED THE SEAT FRAMES BOTH TIMES THE SEATS FELT GOOD AND STABLE, NO ROCKING NO MOVING, BUT THEY FAIL JUST MONTHS LATER
NHTSA ODI #10078464
48,000 miles · Jun 19, 2004
Seats
DRIVER'S SEAT ROCK BACK AND FORTH WHEN BRAKING OR ACCELERATING. SEAT FRAME HAS ALREADY BEEN REPLACED TWICE AND IT STARTED ROCKING AGAIN. DRIVER LOOSES CONCENTRATION BY THE SUDDEN JOLT OF THE FORWARD MOVEMENT OF THE SEAT WHEN BRAKING OR REARWARD MOVEMENT ON ACCELERATION.*AK
NHTSA ODI #10078460