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2003 Audi A4

Owner reports · Recalls · Investigations

More warning signs than most A4 years

Owner complaints for the 2003 Audi A4 are substantially higher than the model-year median of 76.5.

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When problems were reported

Mileage at the reported incident

177 reports with mileage · 33 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Power Train. Review the 43 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 41 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports6 fire reports8 injury reports

Structure complaints

14 reports
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Mileage unknown · May 24, 2011
StructureVisibility

WHEN I PURCHASED MY PRE-OWNED 03 AUDI A4 CABRIO IN MAY 2010 FAILED TO NOTICE THAT THE BOTTOM LEFT AND RIGHT CORNERS OF THE REAR WINDOW WAS SEPARATING FROM THE FABRIC AT THE TOP. FAST FORWARD TO MAY 2011 ITS NOW SPREAD ENOUGH THAT YOU COULD REACH A WHOLE HAND INTO THE HEADLINER. WHEN IT RAINS PART OF THE BACK SEAT,REAR DECK AND …

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WHEN I PURCHASED MY PRE-OWNED 03 AUDI A4 CABRIO IN MAY 2010 FAILED TO NOTICE THAT THE BOTTOM LEFT AND RIGHT CORNERS OF THE REAR WINDOW WAS SEPARATING FROM THE FABRIC AT THE TOP. FAST FORWARD TO MAY 2011 ITS NOW SPREAD ENOUGH THAT YOU COULD REACH A WHOLE HAND INTO THE HEADLINER. WHEN IT RAINS PART OF THE BACK SEAT,REAR DECK AND AREAS OF THE TRUNK GET VERY WET WAS SEPARATING FROM THE FABRIC AT THE BOTTOM LEFT AND RIGHT CORNERS OF THE REAR WINDOW, ENOUGH THAT YOU COULD REACH A WHOLE HAND INTO THE HEADLINER. WHEN IT RAINS THE HEADLINER AROUND THE REAR GLASS, PART OF THE BACK SEAT,REAR DECK AND AREAS OF THE TRUNK GET VERY WET. WITH THE SMELL AFTER IT DRIES, IM SURE I HAVE MOLD AND MILDEW ISSUES AS WELL. *TR

NHTSA ODI #10402500

Mileage unknown · Dec 6, 2010
Power TrainStructureVisibility

I OWN A 03 AUDIA4 1.8T CABRIOLET. FOR THE PASS TWO YEARS I HAVE TO REPAIR THE TRANSMISSION TWICE- THE CAR COULD NOT MOVE, THE GEARS WEREN'T SWITCHING. AUDI USA ARE AWARE OF THIS ISSUE AND STILL THERE IS NOT A RECALL FOR THAT. SECOND AND BIGGER ISSUE IS THE REAR WINDOW WHICH IS SEPARATING FROM THE CONVERTIBLE TOP. IT IS DANGEROU…

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I OWN A 03 AUDIA4 1.8T CABRIOLET. FOR THE PASS TWO YEARS I HAVE TO REPAIR THE TRANSMISSION TWICE- THE CAR COULD NOT MOVE, THE GEARS WEREN'T SWITCHING. AUDI USA ARE AWARE OF THIS ISSUE AND STILL THERE IS NOT A RECALL FOR THAT. SECOND AND BIGGER ISSUE IS THE REAR WINDOW WHICH IS SEPARATING FROM THE CONVERTIBLE TOP. IT IS DANGEROUS AS THE WINDOW CAN FLY AWAY WHILE I DRIVE THE CAR WITH A HIGHER SPEED ON THE HIGHWAY AND HIT THE CARS BEHIND ME. ALSO VERY COMMON PROBLEM FOR THIS MODEL CARS. *TR

NHTSA ODI #10369313

66,500 miles · Oct 25, 2010
Power TrainSteeringStructure

2003 AUDI A4 CABRIOLET HAS HAD NUMEROUS ISSUES, FAILURE OF DOOR GASKET SEAL WHICH DESTROYED PLC, RESULTING IN HORRIBLE SOUND SAFETY ISSUE, COST OVER $2K TO FIX, FAILURE OF CV JOINT WHICH COULD CAUSE WHEEL TO FLY OFF, FAILURE OF REAR GLASS WINDOW THAT COULD COME LOOSE HURTING OTHER VEHICLES OR PASSENGERS OF CAR; CAR HAS LESS THAN…

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2003 AUDI A4 CABRIOLET HAS HAD NUMEROUS ISSUES, FAILURE OF DOOR GASKET SEAL WHICH DESTROYED PLC, RESULTING IN HORRIBLE SOUND SAFETY ISSUE, COST OVER $2K TO FIX, FAILURE OF CV JOINT WHICH COULD CAUSE WHEEL TO FLY OFF, FAILURE OF REAR GLASS WINDOW THAT COULD COME LOOSE HURTING OTHER VEHICLES OR PASSENGERS OF CAR; CAR HAS LESS THAN 70K MILES, WAS BOUGHT NEW AND IS GARAGED. AUDI AMERICA SHOULD REIMBURSE OWNERS FOR THESE NUMEROUS, (AND APPARENTLY INEVITABLE, JUDGING BY WHAT I'VE READ AND HEARD FROM OTHER OWNERS) PROBLEMS. *TR

NHTSA ODI #10362262

49,000 miles · Sep 18, 2010
StructureVisibility

200 AUDI A4 CONVERTIBLE. REAR WINDOW HAS SEPARATED FROM ROOF APPEARS AS IF THE GLUE IS DRY ROTTED? MILES 49K GARAGE KEPT, HAND WASHED.... FOUND INFO ON-LINE REGARDING SEVERAL OTHER OWNERS EXPERIENCING THIS PROBLEM AUDI OF AMERICA REFUSES RESPONSIBILITY WHILE AUDI GERMANY ACCEPTS FULL RESPONSIBILITY. THIS IS A SAFETY HAZAR…

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200 AUDI A4 CONVERTIBLE. REAR WINDOW HAS SEPARATED FROM ROOF APPEARS AS IF THE GLUE IS DRY ROTTED? MILES 49K GARAGE KEPT, HAND WASHED.... FOUND INFO ON-LINE REGARDING SEVERAL OTHER OWNERS EXPERIENCING THIS PROBLEM AUDI OF AMERICA REFUSES RESPONSIBILITY WHILE AUDI GERMANY ACCEPTS FULL RESPONSIBILITY. THIS IS A SAFETY HAZARD. I'M AFRAID THE WINDOW WILL FALL OUT WHILE ON THE HIGHWAY. *TR

NHTSA ODI #10356253

109,000 miles · Aug 3, 2010
Power TrainStructure

IT WOULD SEEM THAT I HAVE TWO OF THE ISSUES I'VE SEEN HERE WITH MY 2003 AUDI A4 CONVERTIBLE. I HAVE OWNED IT SINCE 2008 AND HAVE ALREADY REPLACED THE TRANSMISSION MODULE TWICE. AS DESCRIBED BY OTHERS, IT WOULDN'T ENGAGE REVERSE, OR GO INTO STANDARD MODE... BLINKING DASH LIGHTS, ETC... THE OTHER COMMON ISSUE IS MY REAR WINDOW.…

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IT WOULD SEEM THAT I HAVE TWO OF THE ISSUES I'VE SEEN HERE WITH MY 2003 AUDI A4 CONVERTIBLE. I HAVE OWNED IT SINCE 2008 AND HAVE ALREADY REPLACED THE TRANSMISSION MODULE TWICE. AS DESCRIBED BY OTHERS, IT WOULDN'T ENGAGE REVERSE, OR GO INTO STANDARD MODE... BLINKING DASH LIGHTS, ETC... THE OTHER COMMON ISSUE IS MY REAR WINDOW. IT IS HOLDING ON BY LESS THAT TWO INCHES OF GLUE. THE REST JUST HANGS ON BY THE HEADLINER. THIS HAS RESULTED IN GALLONS OF WATER ENTERING MY CAR DURING RAIN STORMS. NOT TO MENTION THE VIBRATIONS WHILE DRIVING WITH THE TOP UP. *TR

NHTSA ODI #10347007

50,000 miles · Apr 5, 2010
StructureVisibility

2003 AUDI A4 CABRIOLET, THE CAR IS PRACTICALLY NEW, ONLY DRIVEN IN SUMMER MONTHS. THE REAR WINDOW HAS SEPARATED FROM THE ROOF, APPARENTLY THE WINDOW IS ONLY SEALED TO THE ROOF WITH A LAYER OF GLUE. THE WINDOW CAN FALL OUT AT ANYTIME AS A RESULT OF THE GLUE LOOSENING. THE ONLY ALTERNATIVE IS A COMPLETELY NEW ROOF. *TR

NHTSA ODI #10323916

91,904 miles · Jan 27, 2010
Electrical SystemEngine And Engine CoolingFuel System, GasolineFire

FORGOT TO INSTALL C CLIP ON TEMP SENSOR ON RADIATOR HOSE WHICH POPPED OUT CAUSING MAJOR ENGINE DAMAGE AND BLOWN HEAD GASKET WHICH WAS DENIED FOR MANY MONTHS. IN OCT. 08 THEY FORGOT TO TIGHTEN BRACKET WHICH CAUSED WIRES TO SMOKE AND FIRE.AUG 08-TRIMMED SERPENTINE BELT RATHER THAN REPLACED AND CAR STOPPED RUNNING IN MIDDLE OF INT…

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FORGOT TO INSTALL C CLIP ON TEMP SENSOR ON RADIATOR HOSE WHICH POPPED OUT CAUSING MAJOR ENGINE DAMAGE AND BLOWN HEAD GASKET WHICH WAS DENIED FOR MANY MONTHS. IN OCT. 08 THEY FORGOT TO TIGHTEN BRACKET WHICH CAUSED WIRES TO SMOKE AND FIRE.AUG 08-TRIMMED SERPENTINE BELT RATHER THAN REPLACED AND CAR STOPPED RUNNING IN MIDDLE OF INTERSTATE. SEPT 09 REPLACED OIL PAN BUT FORGOT TO PUT PLUG BACK OCT 08 OIL RESIDUE ON DAMPER THEY THREW OUT AND DID NOT REPLACE. THEY FORGOT TO PUT BOLTS BACK ON SUB FRAME AND MIRACLE I WAS NOT KILLED. THIS CAUSED AXLE PROBLEMS. WHEN THEY REPLACED BOLTS THEY DID NOT HAVE BUSHINGS IN STOCK AND THEY RELEASED CAR WITHOUT THESE BUSHINGS WHICH IS A SAFETY VIOLATION. WHEN BUSHINGS CAME IN THEY REFUSED TO WORK ON OUR VEHICLE AND WE HAD TO GO TO DIFFERENT MECHANIC. THEY TOLD US WE NEEDED TIMING BELT WHEN THE HEADGASKET WAS BLOWN. NOW THERE IS NEW RECALL FOR COIL PACKS AND THEY REFUSE TO WORK ON OUR CAR. THE NEW GM IS LISTENING TO THE SERVICE MGR. WHO IS NOT TELLING THE COMPLETE STORY NOR IS THE NEW GM REVIEWING THE FACTS. OUR LIVES ARE IN DANGER WITH THIS VEHICLE AND SINCE WE STILL OWE $15K WE CANNOT TRADE IT IN. STARTED JUNE 2008 AND CONTINUES UNTIL TODAY. COIL PACKS WHICH WERE JUST RECALLED ARE CAUSING CAR NOT TO RUN AND WE ARE STUCK *CW

NHTSA ODI #10302560

50,000 miles · Oct 14, 2009
StructureUnknown Or Other

I BOUGHT A 2003 AUDI A4 CONVERTIBLE IN NOVEMBER 2008 AND SINCE THEN THE DEFECTIVE CONVERTIBLE TOP HAS RESULTED IN THE REAR GLASS WINDOW TO BE NEARLY COMPLETELY LOOSE. THIS IS A MAJOR HAZARD AND REPRESENTS A DANGER SINCE THE WINDOW COULD FALL OUT AND HURT OTHER PEOPLE. AUDI OF SANTA MONICA SAID THEY CAN'T/WON'T FIX IT AND REFER…

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I BOUGHT A 2003 AUDI A4 CONVERTIBLE IN NOVEMBER 2008 AND SINCE THEN THE DEFECTIVE CONVERTIBLE TOP HAS RESULTED IN THE REAR GLASS WINDOW TO BE NEARLY COMPLETELY LOOSE. THIS IS A MAJOR HAZARD AND REPRESENTS A DANGER SINCE THE WINDOW COULD FALL OUT AND HURT OTHER PEOPLE. AUDI OF SANTA MONICA SAID THEY CAN'T/WON'T FIX IT AND REFERRED ME TO AN UPHOLSTERY SHOP WHO SAID THEY HAVE SEEN THIS PROBLEM BEFORE AND CAN'T FIX IT (DESPITE AUDI RECOMMENDING THEM FOR FIXING THIS). A DETAILED CHECK OF NUMEROUS ONLINE DISCUSSION BOARDS (IN THE U.S. AND GERMANY) SHOWS THAT THIS IS AN EXTREMELY COMING PROBLEM FOR 2003 AUDI CONVERTIBLES THAT AUDI SIMPLY REFUSES TO ACKNOWLEDGE. 2003 WAS THE FIRST YEAR THAT KARMANN MANUFACTURE THE ROOF AND, INTERESTINGLY, HARMANN IN GERMANY SEEMS TO ACCEPT SOME RESPONSIBILITY AND HAS FIXED THIS PROBLEM FOR SOME PEOPLE, CHARGING ONLY FOR LABOR. I STRONGLY RECOMMEND THAT NHTSA LOOK INTO THIS FAULTY MANUFACTURING ISSUE AND FORCE AUDI TO ACCEPT RESPONSIBILITY FOR IT. *TR

NHTSA ODI #10287320

77,000 miles · Aug 19, 2009
Structure

DEFECTIVE CONVERTIBLE TOP ON 2003 AUDI A4 HAS RESULTED IN THE REAR GLASS WINDOW TO BECOME LOOSE. I'M VERY CONCERNED THAT THE WINDOW WILL FLY OFF. BASED ON ON-LINE POSTINGS, THIS IS A VERY, VERY COMMON OCCURRENCE. TO DATE, AUDI NOR ANY GOVERNMENT AGENCY HAS DONE ANYTHING TO RECTIFY THE FAULTY MANUFACTURING ISSUE. *TR

NHTSA ODI #10281120

58,000 miles · Jun 15, 2009
Structure

REAR WINDOW CAME UNGLUED AND COULD NOT BE REPAIRED ON MY 2003 A4 CABRIOLET. AUDI DEALER REPLACED TOP. MY COST WAS 4000. *TR

NHTSA ODI #10273837

Official recalls

3

07V375000 · Fuel System, Gasoline:delivery:fuel Pump

Aug 28, 2007

ON CERTAIN VEHICLES EQUIPPED WITH 1.8L TURBO, 2.8L V6, OR 3.0L ENGINES, A CHANGE IN THE ELECTRICAL MOTOR COMPONENTS IN THE FUEL PUMP CAN LEAD TO AN INOPERATIVE FUEL PUMP AND, ULTIMATELY, STOPPAGE OF FUEL SUPPLY TO THE ENGINE CAUSING IT TO STALL.

Consequence & remedy

Consequence: IF FUEL FLOW TO THE ENGINE IS INTERRUPTED, THE VEHICLE COULD STALL WITHOUT WARNING AND THUS PRESENT A POTENTIAL RISK OF CRASH.

Remedy: DEALERS WILL INSTALL NEW FUEL PUMPS FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 28, 20007. OWNERS MAY CONTACT VW AT 1-800-222-8987 OR AUDI AT 1-800-822-2834. THIS RECALL IS A SUPPLEMENT TO A PREVIOUS CAMPAIGN (PLEASE SEE 06V017).

06V017000 · Fuel System, Gasoline:delivery:fuel Pump

Jan 23, 2006

ON CERTAIN VEHICLES PRODUCED FROM SEPTEMBER 2002 - MARCH 2003, EQUIPPED WITH 1.8L TURBO, 2.8L V6, OR 3.0L ENGINES, A CHANGE IN THE ELECTRICAL MOTOR COMPONENTS IN THE FUEL PUMP CAN LEAD TO AN INOPERATIVE FUEL PUMP AND, ULTIMATELY, STOPPAGE OF FUEL SUPPLY TO THE ENGINE CAUSING IT TO STALL.

Consequence & remedy

Consequence: IF FUEL FLOW TO THE ENGINE IS INTERRUPTED, THE VEHICLE COULD STALL WITHOUT WARNING AND THUS PRESENT A POTENTIAL RISK OF CRASH.

Remedy: DEALERS WILL INSTALL NEW FUEL PUMPS FREE OF CHARGE. THE RECALL BEGAN ON APRIL 10, 2006. OWNERS MAY CONTACT VW AT 1-800-222-8987 OR AUDI AT 1-800-822-2834.

05V096000 · Exterior Lighting:headlights

Mar 15, 2005

ON CERTAIN PASSENGER VEHICLES, THERE IS A POSSIBILITY OF XENON HEADLAMP COATING DEGRADATION OVER TIME. THE LUMINOUS TRANSMITTANCE OF THE HEADLAMP MAY DECREASE OVER A PERIOD OF TIME.

Consequence & remedy

Consequence: THIS CONDITION COULD AFFECT A DRIVER'S FIELD OF VIEW, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE LEFT AND RIGHT XENON HEADLAMP REFLECTORS FREE OF CHARGE. THE RECALL BEGAN ON APRIL 11, 2005. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.