Problems · NHTSA complaints

2002 Audi A6 problems

Owners filed 103 complaints about the 2002 Audi A6 with NHTSA between May 2002 and Jun 2021. The most-cited component is engine and engine cooling (16).

Complaints
103
Filed with NHTSA
Crashes
6
Reported by owners
Fires
3
Reported by owners
Injuries
11
People reported injured
Deaths
1
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Engine and engine cooling16
  2. Electrical system15
  3. Power train13
  4. Fuel system, gasoline12
  5. Vehicle speed control11
  6. Service brakes, hydraulic10
  7. Air bags7
  8. Fuel/propulsion system6
  9. Tires6
  10. Engine5
  11. Visibility5
  12. Structure4
  13. Equipment3
  14. Exterior lighting3

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 28, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
200215
200312
200410
200510
20067
20077
20083
20097
20109
20116
20125
20134
20140
20151
20160
20170
20181
20190
20203
20213

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Engine and engine cooling

16 reports1 fire
“MY CHECK ENGINE LIGHT IS MARKING MISFIRE BUT I HAVE GOTTEN A COMPLETE TUNE-UP, CHANGED ALL 6 COILS ON THE ENGINE CHANGED ALL THE SPARK PLUGS, I'VE DONE EVERYTHING POSSIBLE AND CHANGED EVERYTHING I CAN THAT HAS TO DO WITH THE ENGINE ALL BRAND NEW AND NOTHING HAS WORKED AND ITS STILL SAYING MISFIRE...I'VE GOOGLED THIS PROBLEM FOR AUDI'S AND THERE WERE SO MANY PEOPLE COMPLAINING ABOUT THE SAME THING... ALSO, I AM HAVING A PROBLEM WITH THE ELECTRICAL SYSTEM AS WELL ONE DAY MY WINDOWS WORK THE NEXT IT DOESN'T SOMETIMES MY LIGHTS WILL WORK AND SOMETIMES IT DOESN'T, SOMETIMES MY RADIO WILL WORK SOME TIMES IT DOESN'T, THE INFORMATION ON MY DASH SOMETIMES DOESN'T LIGHT UP AND I CAN'T SEE ANYTHING AT NIGHT TIME, I HAVE CONSTANTLY BEEN TO THE MECHANICS TRYING TO FIGURE OUT WHAT'S GOING ON BUT WE CAN'T FIND THE PROBLEM, I'VE SPENT SO MUCH MONEY ON THIS CAR TRYING TO FIX THE PROBLEMS BUT ITS REALLY MAKING IT HARD FOR ME TO KEEP SPENDING MONEY ON MY CAR AND NOT BEING ABLE TO FIGURE OUT WHAT'S WRONG WITH IT. THIS IS VERY DANGEROUS BECAUSE IF I'M DRIVING AT NIGHT TIME AND MY LIGHTS END UP NOT WORKING I CAN CAUSE A VERY BIG ACCIDENT I AM VERY VERY CONCERNED ABOUT THESE DEFECTS,…”
Owner complaint to NHTSAFiled Oct 19, 2011Engine and engine cooling, Fuel system, gasoline, Electrical systemODI 10430871

Electrical system

15 reports2 fires2 related recalls
“TL* THE CONTACT OWNED A 2002 AUDI A6. WHILE DRIVING APPROXIMATELY 55 MPH, THERE WAS AN ODOR OF SMOKE. THE CONTACT OBSERVED SMOKE COMING THROUGH THE VENTS ON THE FRONT DRIVER'S SIDE. IN ADDITION, THE VEHICLE CAUGHT FIRE UNDER THE HOOD. THERE WERE NO INJURIES SUSTAINED. A FIRE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A TOWING FACILITY. A DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE, BUT OFFERED NO ASSISTANCE. THE VIN WAS NOT AVAILABLE. THE VEHICLE WAS DESTROYED. THE FAILURE MILEAGE WAS NOT AVAILABLE.”
Owner complaint to NHTSAFiled Mar 6, 2018Electrical systemFire reportedODI 11076530

Power train

13 reports
“TL* THE CONTACT OWNS A 2002 AUDI S6. THE CONTACT STATED THAT WHEN THE BRAKE PEDAL WAS RELEASED AND THE ACCELERATOR PEDAL WAS DEPRESSED IN COLD TEMPERATURES, THE VEHICLE FAILED TO ACCELERATE. THE VEHICLE WAS TAKEN TO A DEALER, WHERE UNKNOWN REPAIRS WERE PERFORMED. HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TAKEN BACK TO THE DEALER. THE TECHNICIAN INFORMED THAT THE VEHICLE WAS OPERATING AS DESIGNED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 12,000.”
Owner complaint to NHTSAFiled Mar 6, 2015Power train, Vehicle speed controlODI 10692422

Fuel system, gasoline

12 reports1 related recall
“FUEL VAPORS AND LEAKING FUEL APPEARS WHEN THE FUEL TANK IS FILLED BEYOND 3/4 TANK. THIS IS UNSAFE FOR THE CAR TO BE PARKED INSIDE OF THE GARAGE. THE FUMES MAKE PASSENGERS FEEL ILL. AUDI SERVICE DEPARTMENTS WANT TO CHARGE OVER $2500 TO REPAIR. A RECALL FOR THE ROLLOVER VALVE HAS BEEN PERFORMED; HOWEVER THE AUDI SERVICE TECHS SAY THE LEAKAGE IS COMING FROM SMALL CRACKS IN THE DEFECTIVE TANK. UNABLE TO HAVE THE REPAIR DONE BECAUSE OF COSTS I HAVE DRIVEN THE CAR WITH LESS THAN1/2 TANK OF FUEL FOR SEVERAL YEARS . THE STATE OF UTAH WILL NO LONGER PASS MY VEHICLE INSPECTION DUE TO THE EMISSIONS ISSUE. MY FEAR IS THE LEAKING FUEL COULD BE IGNITED BY ANY NUMBER OF SOURCES INCLUDING EXHAUST/HEAT FROM THE VEHICLE. PASSENGERS SHOULD NEVER HAVE TO BE SUBJECT TO VAPORS INSIDE OF A VEHICLE. I HAVE BEEN TO 3 DIFFERENT UTAH AUDI DEALERSHIPS AND 1 INDEPENDENT AUDI REPAIR GARAGE. I HAVE ALSO CONTACTED AUDI CUSTOMER RELATIONS @ 1-800-253-2834. ALL OF THE AUDI REPRESENTATIVES AND TECHNICIANS HAVE PLAYED DUMB REGARDING THIS ISSUE; YET THE ISSUE CAN BE FOUND IN A NUMBER OF FORUMS WHERE OTHERS HAVE DEALT WITH THE SAME ISSUE. AUDI REFUSES TO TAKE RESPONSIBILITY OR EVEN SHOW REAL…”
Owner complaint to NHTSAFiled Jul 25, 2013Fuel system, gasolineODI 10531869

Vehicle speed control

11 reports1 crash
“I WAS DRIVING AT ABOUT 65 MPH. I WENT TO PASS ANOTHER CAR IN A PASSING ZONE SO I ACCELERATED FULL THROTTLE. THE GAS PEDAL STUCK AND THE CAR CONTINUED TO ACCELERATE. I BRAKED AND MANEUVERED THE CAR TO THE SIDE OF THE ROAD AND TURNED IT OFF. AFTER A WHILE IT RELEASED. I STARTED THE CAR AGAIN AND CONTINUED HOME, NOT PUSHING THE PEDAL DOWN ANY FARTHER THAN NECESSARY. I WILL TAKE IT IN TO BE FIXED. THERE WAS NOTHING OBSCURING THE PEDAL AND THE FLOOR MAT WAS CLICKED INTO PLACE. I FOUND NO EVIDENCE OF A RECALL, BUT MANY AUDI OWNERS HAVE REPORTED SIMILAR EXPERIENCES, SO I AM NOT SURE WHY THIS ISN'T A RECALL ISSUE. *TR”
Owner complaint to NHTSAFiled Aug 24, 2013Vehicle speed controlODI 10537099

Service brakes, hydraulic

10 reports
“I HAVE 3 MAJOR CONCERNS REGARDING MY 2002 AUDI A6 3.0 QUATTRO. I WILL START WITH THE MOST DANGEROUS PROBLEM FIRST...1) THE ANTI-LOCK BRAKES THAT KICK IN UNEXPECTEDLY. THE ABS/ESP PROBLEM STARTED IN MAY, 2007, WITH THE ABS/ESP LIGHT COMING ON INTERMITTENTLY, RESULTING IN US REPLACING THE BRAKE LIGHT SWITCH. THE PROBLEM DIDN'T HAPPEN AGAIN UNTIL THE ANTI-LOCK BRAKES KICKED IN, IN AUG., 2009. WITH NO DEFINITE, INEXPENSIVE FIX FROM THE DEALER, WE DECIDED TO SEE IF THE PROBLEM PERSISTED. IT DID, BRINGING THE CAR BACK IN SEPT., 2009 & AGAIN IN JUNE, 2010. AT THIS TIME, I HAD A PRIVATE IMPORT GARAGE REPLACE THE ROTATION RATE SENSOR, WHICH WAS WHAT THE DEALER SAID THE PROBLEM COULD BE. THE PROBLEM PERSISTED FURTHER, WITH THE LIGHT COMING ON EVERY FEW MONTHS, UNTIL THE BRAKES KICKED IN WHILE GOING 60 MPH, MAKING THE CAR SKID & JERK TO A STOP, PULLING ME OFF THE ROAD IN LATE SEPT, 2010. IT WAS ABSOLUTELY TERRIFYING! I HAD THE CAR BACK TO THE DEALER IMMEDIATELY, WHERE THEY WERE UNABLE TO VERIFY THE CONCERN. SINCE THEN, I HAVE NOT HAD PROBLEMS WITH IT AGAIN UNTIL APRIL, 2011, WHEN THE LIGHT STARTING COMING BACK ON AT RANDOM MOMENTS & NOW YESTERDAY, THE ANTI-LOCK BRAKES…”
Owner complaint to NHTSAFiled Apr 10, 2011Service brakes, hydraulicODI 10395414
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.