2005 Audi S4 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2005 Audi S4, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Exterior lighting3362.3%
- Electrical59.4%
- Airbags47.5%
- Engine47.5%
- Visibility23.8%
- Interior & seats11.9%
- Fuel system11.9%
- Steering11.9%
- Transmission11.9%
- Brakes11.9%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
TL* TAKATA RECALL. THE CONTACT OWNS A 2005 AUDI S4. THE CONTACT STATED THAT THE EXTERIOR HEADLAMPS FAILED TO ILLUMINATE WITHOUT WARNING. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V382000 (AIR BAGS); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. AUDI PACIFIC (20460 HAWTHORNE BLVD, TORRANCE, CA) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. AUDI PACIFIC WAS ALSO CONTACTED REGARDING THE EXTERIOR LIGHTING FAILURE, BUT THE FAILURE COULD NOT BE REPLICATED. THE MANUFACTURER WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.
TAKATA RECALL 1. THE LEFT HEADLIGHT FLICKERS. 2. IT THEN TURNS ITSELF OFF 3. THE MESSAGE "LEFT DIPPED HEADLIGHT" APPEARS 4. THIS HAPPENS WHILE MY VEHICLE IS PARKED AND IN MOTION SO IT IS A VERY SERIOUS SAFETY RISK. I HAVE HAD BOTH HEADLIGHTS GO OUT AT NIGHT WHILE DRIVING WITH MY 2 YEAR OLD IN THE CAR!
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
HEATED SEAT ELEMENT BURNED OR MELTED THE SEAT WHILE THE CAR WAS OFF OVERNIGHT. PASSENGER SEAT LEATHER IS NOW SEPARATED, SHRIVELED (HARD AS A ROCK) AND WOULD HAVE BURNED THE PASSENGER IF THEY HAD BEEN IN THE SEAT.
AS I WAS DRIVING ON THE FREEWAY MY HEADLIGHT WENT OUT WITH AND THE MESSAGE, "RIGHT DIPPED HEADLIGHT" CAME ON. WHEN THIS HAPPEN I STOPPED TO FILL UP WITH GAS AND WHEN I STARTED THE CAR THE MESSAGE WAS GONE AND THE HEADLIGHT WAS BACK ON. THIS HAS HAPPENED A SEVERAL MORE TIMES SINCE THEN. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
TL* TAKATA RECALL. THE CONTACT OWNS A 2005 AUDI S4. THE CONTACT STATED THAT THE EXTERIOR HEADLAMPS FAILED TO ILLUMINATE WITHOUT WARNING. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V382000 (AIR BAGS); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. AUDI PACIFIC (20460 HAWTHORNE BLVD, TORRANCE, CA) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. AUDI PACIFIC WAS ALSO CONTACTED REGARDING THE EXTERIOR LIGHTING FAILURE, BUT THE FAILURE COULD NOT BE REPLICATED. THE MANUFACTURER WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.
TAKATA RECALL. I RECEIVED TWO LETTERS FROM AUDI IN MARCH 2017 AND RECENTLY A THIRD LETTER IN MARCH 2018 INFORMING ME OF THE PASSENGER FRONTAL AIRBAG INFLATOR PROBLEM. THE MOST RECENT LETTER STATES THAT IT IS DANGEROUS TO DRIVE AND THE AIRBAG COULD EXPLODE CAUSING SERIOUS INJURY OR DEATH. I CALLED AUDI SERVICE IN APRIL 2017 AND AGAIN IN APRIL 2018 AND THEY SAID THEY DO NOT HAVE A FIX FOR THE PROBLEM AND HAVE NO TIME FRAME FOR WHEN IT WILL BE AVAILABLE. HOW CAN I CONTINUE TO DRIVE A CAR THAT HAS SIGNIFICANT RISK TO CAUSE INJURY AND THEY WILL NOT FIX IT FOR OVER A YEAR?
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
THE COMPLAINT IS ABOUT THE MOTORS LOSING OIL EVERY 1000 MILES A 1QT IS NEED EACH TIME. THE ENGINE IS CAUSED AND BURNS OIL FAST TO THE MOTOR TO LOSE OIL MORE RAPIDLY. NEEDS TO BE REPLACED. MY MOTOR IS LOSING OIL! AND SO DO OTHER MODELS HAVENING THIS PROBLEMS ISNT GOOD.
2005.5 AUDI S4. 104,000 MILES. CHAIN TENSIONER DAMAGED. CAUSE DAMAGE TO ENGINE. ENGINE SHOULD BE REPLACED. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
DRIVER HEADLIGHT DIPPED INFO ON DASH. HEADLIGHT TURNS OFF OR FLICKERS TILL IT TURNS OFF AND MUST TURN ALL LIGHTS OFF ON THE CAR WHILE DRIVING AND RESET LIGHTS TO ACTIVATE HEADLIGHT BACK ON. SOMETIMES THIS DOES NOT WORK AND FORCED TO DRIVE WITH ONE HEADLIGHT WITH IS EXTREMELY DANGEROUS CONDITION, POLICE HAVE CITIED ME TWICE FOR FAULTY HEADLIGHT EQUIPMENT. THERE NEEDS TO BE A RECALL ON THIS ISSUE. THERE WILL EVENTUALLY BE A FATALITY CRASH INVOLVING THIS ISSUE WITH DIPPED HEADLIGHTS ON AUDI VEHICLE'S. ALSO THIS HAPPENS AT ALL SPEEDS FROM 0 TO 70 MPH. THIS ISSUE HAS BEEN GOING ON FOR 6 MONTHS AND GOING TO CAUSE A SERIOUS ACCIDENT SOON ON I95 IN MIAMI AS I DRIVE HOME FROM WORK AT 0430 A.M. *TR
2005 AUDI S4 CABRIOLET - REAR WINDOW SEPARATING FROM SOFT CONVERTIBLE TOP. TOP APPEARS TO BE SHRINKING AT THE WINDOW EDGES AS WELL. INDEPENDENT CONVERTIBLE TOP REPAIR FACILITY AS WELL AS LOCAL AUDI DEALER CONFIRM THAT THIS IS DUE TO DEFECTIVE ADHESIVE USED IN THE MANUFACTURING PROCESS. AUDI OF AMERICA REFUSES TO REMEDY THIS ISSUE TO DATE. VEHICLE HAS 49,000 MILES ON THE ODOMETER AND HAS BEEN OUT OF FACTORY WARRANTY FOR ONLY A FEW WEEKS. REAR WINDOW WILL ALMOST CERTAINLY COME FULLY LOOSE FROM THE TOP SOON, AND COULD EITHER STRIKE A REAR PASSENGER OR SIMPLY DISLODGE AT HIGHWAY SPEEDS, POTENTIALLY INJURING OR KILLING PERSONS TRAVELING BEHIND THIS VEHICLE. THE POTENTIAL FOR AN EXTREMELY DANGEROUS ACCIDENT IS PRESENT HERE. THIS IS A SERIOUS SAFETY-RELATED DEFECT. A RECALL IS NEEDED HERE TO PREVENT POTENTIAL LOSS OF LIFE. AUDI IS HANDLING THESE TOP PROBLEMS ON A CASE-BY-CASE BASIS, AND IS FIGHTING HARD WITH OWNERS NOT TO PAY AT ALL. AUDI DEALERS ARE QUOTING IN EXCESS OF $6400 TO REPLACE THE TOP, COSTLY ENOUGH TO PREVENT MANY OWNERS FROM SAFELY REPAIRING THE TOP. PER INFORMATION SOURCED FROM AUDIWORLD.COM, MANY OWNERS ARE NOT REPLACING THE TOP DUE TO THE EXORBITANT COST BUT RATHER SIMPLY GLUING OR TAPING THE REAR WINDOW IN PLACE AND HOPING FOR THE BEST. THIS IS AN ISSUE WHICH CLEARLY REQUIRES A RECALL IN THE INTEREST OF PUBLIC SAFETY. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
HEATED SEAT ELEMENT BURNED OR MELTED THE SEAT WHILE THE CAR WAS OFF OVERNIGHT. PASSENGER SEAT LEATHER IS NOW SEPARATED, SHRIVELED (HARD AS A ROCK) AND WOULD HAVE BURNED THE PASSENGER IF THEY HAD BEEN IN THE SEAT.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
FRONT HEADLIGHTS (BOTH SIDES) FLICKER(BLINK) BUT NOT ALL THE TIME. WHEN THEY FLICKER I TURN THEM OFF AND THEN TURN ON AGAIN, THEN THEY ARE FINE. BUT I AM WORRIED THAT IT MAY GO BAD DURING DRIVING CAUSING SAFETY ISSUES. ITS NOT THE BULB ISSUES AS ON-BOARD DIAGNOSTICS WOULDN'T DETECT THE PROBLEM. IT HAS HAPPENED SEVERAL TIMES OVER LAST COUPLE OF WEEKS. I TRIED FINDING SOLUTION ONLINE AND FOUND THIS FORUM HTTP://FORUMS.AUDIWORLD.COM/SHOWTHREAD.PHP?P=23809262. THIS TELLS ME THIS PROBLEM IS PART OF NOTORIOUS DESIGN BY AUDI OF AMERICA. MY CAR IS OUT OF WARRANTY AND AUDI WOULDN'T TAKE CARE OF IT AS THEY HAVE PROVIDED NO ASSISTANCE TO SORT OUT OTHER MECHANICAL ISSUES WITH MY CAR WHICH HAS ONLY 50000 MILES. THOSE ISSUES INCLUDE FAILING OF FUEL PUMPS, LEAKING OF TRANSMISSION FLUID AND MELTING OF GASKET COVER CAPS (MAIN) LEADING TO INCONVENIENCE AND FINANCIAL STRESS FOR US AND ON A CAR WHICH IS NOT EVEN 12 MONTHS OUT OF WARRANTY. I REQUEST YOU TO DO YOUR RESEARCH AND HOPE THEY DO A RECALL FOR THESE FAULTY HEADLIGHTS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
I WAS ON MY WAY TO SUBSTITUTE TEACH AT AN ELEMENTARY SCHOOL IN SANTA CRUZ, CA AND SO WAS IN THE MIDDLE OF A LOT OF EARLY TRAFFIC AT A LEFT TURN SIGNAL WHEN I HEARD A VERY STRANGE RUMBLE. I THOUGHT IT WAS ANOTHER CAR AS MY CAR HAD JUST BEEN IN FOR A 95,000 MILE SERVICE A FEW WEEKS EARLIER. HOWEVER, PART WAY THROUGH THE TURN I WAS ALMOST UNABLE TO STEER THE CAR. I HAD TO FIGHT THE CAR TO KEEP IT FROM HITTING A BICYCLIST AND TO GET IT OFF TO THE SIDE OF THE ROAD WHERE IT THEN STOPPED STEERING AND DIED. AT THAT POINT IT WAS BLOCKING TWO CARS IN A DRIVEWAY, BUT I COULD NOT STEER IT AT ALL. THIS WAS ON THE STREET DIRECTLY IN FRONT OF THE DEL MAR ELEMENTARY SCHOOL. I CALLED FARMERS INSURANCE AND MONTEREY PENINSULA AUDI WHERE IT WAS TOWED. I WAS TOLD THE STEERING COLUMN HAD CRACKED AND THE FLUID HAD LEAKED OUT. I WAS ALSO TOLD THERE WAS NO WAY TO BE ABLE TO DIAGNOSE THIS IN ROUTINE SERVICES.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
FRONT HEADLIGHTS (BOTH SIDES) FLICKER(BLINK) BUT NOT ALL THE TIME. WHEN THEY FLICKER I TURN THEM OFF AND THEN TURN ON AGAIN, THEN THEY ARE FINE. BUT I AM WORRIED THAT IT MAY GO BAD DURING DRIVING CAUSING SAFETY ISSUES. ITS NOT THE BULB ISSUES AS ON-BOARD DIAGNOSTICS WOULDN'T DETECT THE PROBLEM. IT HAS HAPPENED SEVERAL TIMES OVER LAST COUPLE OF WEEKS. I TRIED FINDING SOLUTION ONLINE AND FOUND THIS FORUM HTTP://FORUMS.AUDIWORLD.COM/SHOWTHREAD.PHP?P=23809262. THIS TELLS ME THIS PROBLEM IS PART OF NOTORIOUS DESIGN BY AUDI OF AMERICA. MY CAR IS OUT OF WARRANTY AND AUDI WOULDN'T TAKE CARE OF IT AS THEY HAVE PROVIDED NO ASSISTANCE TO SORT OUT OTHER MECHANICAL ISSUES WITH MY CAR WHICH HAS ONLY 50000 MILES. THOSE ISSUES INCLUDE FAILING OF FUEL PUMPS, LEAKING OF TRANSMISSION FLUID AND MELTING OF GASKET COVER CAPS (MAIN) LEADING TO INCONVENIENCE AND FINANCIAL STRESS FOR US AND ON A CAR WHICH IS NOT EVEN 12 MONTHS OUT OF WARRANTY. I REQUEST YOU TO DO YOUR RESEARCH AND HOPE THEY DO A RECALL FOR THESE FAULTY HEADLIGHTS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .