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1999 Audi A6 problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

193 owner complaints analyzed

9 distinct recall campaigns

80,000 mi median reported failure mileage

Scope: 1999 model year. Data snapshot: . 119 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

Electrical System is the most frequently named component, appearing in 17 of 193 complaints (8.8%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Braking behavior5226.9%
Steering behavior157.8%
Transmission and shifting147.3%
Electrical and battery issues84.1%
Fuel system concerns52.6%
Engine operation42.1%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Electrical System
17
Vehicle Speed Control
14
Fuel System, Gasoline:Storage:Tank Assembly
11
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module
10
Steering:Linkages:Tie Rod Assembly
10
Electrical System:Wiring:Interior/Under Dash
8
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
8
Engine And Engine Cooling:Engine
7
Component breakdown data
CategoryCount
Electrical System17
Vehicle Speed Control14
Fuel System, Gasoline:Storage:Tank Assembly11
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module10
Steering:Linkages:Tie Rod Assembly10
Electrical System:Wiring:Interior/Under Dash8
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip8
Engine And Engine Cooling:Engine7

Electrical System: 17; Vehicle Speed Control: 14; Fuel System, Gasoline:Storage:Tank Assembly: 11; Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module: 10; Steering:Linkages:Tie Rod Assembly: 10; Electrical System:Wiring:Interior/Under Dash: 8; Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip: 8; Engine And Engine Cooling:Engine: 7

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
5
25,000 to 49,999
13
50,000 to 74,999
33
75,000 to 99,999
37
100,000 to 149,999
24
150,000 and above
7
Reported problems by failure mileage data
CategoryCount
Under 25,0005
25,000 to 49,99913
50,000 to 74,99933
75,000 to 99,99937
100,000 to 149,99924
150,000 and above7

Under 25,000: 5; 25,000 to 49,999: 13; 50,000 to 74,999: 33; 75,000 to 99,999: 37; 100,000 to 149,999: 24; 150,000 and above: 7

75,000 to 99,999 miles has the most reports with usable mileage (37). 74 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2000
25
2001
11
2002
7
2003
16
2004
54
2005
16
2006
13
2007
20
2008
8
2009
5
2010
5
2011
5
2012
3
2013
1
2015
1
2019
1
2020
1
2021
1
Complaints over time data
CategoryCount
200025
200111
20027
200316
200454
200516
200613
200720
20088
20095
20105
20115
20123
20131
20151
20191
20201
20211

2000: 25; 2001: 11; 2002: 7; 2003: 16; 2004: 54; 2005: 16; 2006: 13; 2007: 20; 2008: 8; 2009: 5; 2010: 5; 2011: 5; 2012: 3; 2013: 1; 2015: 1; 2019: 1; 2020: 1; 2021: 1

Pattern summary

Electrical System leads the component reports. Braking behavior appears in 52 complaint narratives. Steering behavior appears in 15 complaint narratives. Transmission and shifting appears in 14 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Complaint evidence

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 10003601 · 2003-01-29 (January 29, 2003)

ON JANUARY 19, RETURNING HOME FROM A FAMILY TRIP, THE THROTTLE ON OUR 1999 A6 STUCK OPEN AT 65MPH. I WAS TRAPPED IN THE LEFT LANE OF A 4 LANE HIGHWAY WITH NO SHOULDER TO PULL ONTO DUE TO HEAVY SNOW ACCUMULATION. I HAD STAND ON THE BRAKES AS HARD AS I COULD TO AVOID SMASHING INTO THE VEHICLES AHEAD OF ME THAT STARTED TO SLOW DOWN FOR AN UPCOMING SPEED ZONE. I OVERHEATED MY BRAKES ALMOST TO THE POINT OF FAILURE IN ORDER TO PULL INTO THE RIGHT LANE AND MAKE A QUICK EXIT WHERE I TURNED OFF THE KEY. MY BRAKES SMOKED AND SMELLED FOR ABOUT 15 MINUTES …

Owner-reported narrative. 116,501 miles reported. Look up ODI 10003601 at NHTSA ↗

Owner report 10007818 · 2003-02-19 (February 19, 2003)

MY CAR WAS ACCELERATING WITHOUT THE GAS PEDAL BEING DEPRESSED. I WAS FIGHTING TO STOP THE CAR WITH THE BRAKE BUT FAILED TO DO SO AS THE CAR WAS ACCELARATING AT HIGH SPEEDS ON A MAJOR HIGHWAY. I HAD GOT THE CAR DOWN FROM 50MPH TO 15 MPH. AT THIS POINT TURNED ON MY HAZARDOUS LIGHTS AND PULLED OVER TO THE SHOULDER. AT 15 MPH I SAFELY SHUT MY CAR OFF AS I WAS UNABLE TO COMPLETELY STOP. AFTER 30 SECONDS, I TURN MY CAR BACK ON AND SEE THAT THE CAR IS HITTIG REDLINE OF 7000 RPMS IN PARK MODE. I SHUT MY CAR DOWN ONCE MORE AND WAIT ANOTHER MINUTE. I ST…

Owner-reported narrative. 47,000 miles reported. Look up ODI 10007818 at NHTSA ↗

Owner report 10000150 · 2002-12-17 (December 17, 2002)

MY 1999 AUDI A6 AVANT IS EQUIPPED WITH THE COLD WEATHER PACKAGE. THIS PACKAGE INCLUDES HEATED SEATS AND STEERING WHEEL. WHEN THE DRIVER'S SEAT HEATER IS TURNED ON IT ACTIVATES THE STEERING WHEEL HEATER. ON 12/13/02 IN USING THIS HEATER THE STEERING WHEEL BECAME HOT ENOUGH TO BURN MY HAND AND BEGAN TO FILL THE CAR WITH SMOKE. IT MELTED THE FOAM UNDER THE LEATHER COVER. IF I HAD NOT TURNED OFF THE SEAT/STEERING WHEEL HEATER I BELIEVE THE STEERING WHEEL WOULD HAVE CAUGHT FIRE. MY INDEPENDENT REPAIR SHOP INDICATES THERE IS A SHORT IN THE WHEE…

Owner-reported narrative. 42,050 miles reported. Look up ODI 10000150 at NHTSA ↗

Owner report 10045841 · 2003-11-10 (November 10, 2003)

STEERING WHEEL CAUGHT ON FIRE WHEN SEAT WARMER ON THE DRIVER SIDE WAS ON.*AK

Owner-reported narrative. 43,000 miles reported. Look up ODI 10045841 at NHTSA ↗

Owner report 10013934 · 2003-04-03 (April 3, 2003)

ENGINE HAS LEAKS IN THE CRANK SEAL HOUSING,CAM SEAL AND THE TRANSMISSION SEAL. THE SEALS SEEM TO FAIL AT A HIGH RATE.

Owner-reported narrative. 50,000 miles reported. Look up ODI 10013934 at NHTSA ↗

Owner report 10065360 · 2004-03-18 (March 18, 2004)

I HAVE RECENTLY EXPERIENCE THE EXACT SAME SUDDEN ACCELERATION WITH MY AUDI A6 QUATTRO. THE TEMPERATURE OUTDOORS WAS VERY COLD AND I WAS TRAVELING UP A HILL WHEN THE CAR KEPT ACCELERATING ON ITS OWN. WHILE APPLYING PRESSURE TO THE BRAKES THE CAR CONTINUED TO ACCELERATE. LUCKILY I WAS ABLE TO PULL THE CAR OFF THE ROAD AND SHIFTED INTO PARK. UPON PLACING THE CAR IN PARK THE TACHOMETER RED LINED. AFTER TAKING IT TO THE GARAGE THE TECHNICIAN DETERMINED HE COULD NOT FIND ANYTHING WRONG THE AUTOMOBILE. THE FOLLOWING WEEK MY HUSBAND DROVE THE CAR A…

Owner-reported narrative. 84,000 miles reported. Look up ODI 10065360 at NHTSA ↗

Owner report 10048913 · 2003-11-30 (November 30, 2003)

I OWN A 1999 AUDI A-6 SEDAN. TODAY IT HAD A FIRE IN THE DASHBOARD NEAR THE DRIVER'S SIDE. FORTUNATELY IT OCCURRED WHILE IT WAS AT HOME WHERE I HAD ACCESS TO FIR EXTINGUISHERS AND TOOLS TO DISCONNECT THE BATTERY. IT TOOK 3 EXTINGUISHERS TO PUT OUT THE BLAZE. JUST MOMENTS EARLIER, MY WIFE AND 5 YEAR OLD SON RETURNED HOME FROM CHURCH COMPLAINING OF A TOXIC SMELL IN THE CAR! WE WERE VERY FORTUNATE THE SITUATION WAS NOT WORSE!*AK

Owner-reported narrative. 44,000 miles reported. Look up ODI 10048913 at NHTSA ↗

Owner report 10086063 · 2004-08-03 (August 3, 2004)

MY HUSBAND AND I WERE DRIVING OUR 1999 AUDI A-6 SEDAN ON A LIMITED ACCESS HIGHWAY, WE NOTICED AN ACRID SMELL IN THE CAR. SUDDENLY SMOKE BEGAN POURING OUT THE AC VENTS THEN FLAMES BEGAN COMING OUT THE VENTS ON THE DRIVERS SIDE. *AK I CALLED THE AUDIOF AMERICA HELP LINE ON THE 16TH OF JULY, GAVE A REPORT AND ON JULY 19, SPOKE TO ANETTE JOHNSON WHO TOOK A FULL FEELING VERY UNSATISFIED BY MS. JOHNSONS UNHELPFUL, THOUGH SYMPATHETIC RESPONSE, I DID A WEB SEARCH USING THE TERMS AUDI, FIRE, DASHBOARD AND DISCOVERED THAT ON MARCH 23, 2004 IT WA…

Owner-reported narrative. 72,000 miles reported. Look up ODI 10086063 at NHTSA ↗

Owner report 10012218 · 2003-04-01 (April 1, 2003)

ENGINE MALFUNCTION. *MR THE CONSUMERS WIFE WAS DRIVING THE VEHICLE WHEN IT SUDDENLY BEGAN TO RACE, SHE WAS UNABLE TO STOP THE VEHICLE. THE CONSUMER RAN STOP SIGNS AND AN INTERSECTION UNTIL SHE FINALLY TURNED THE VEHICLE OFF. THE VEHICLE CONTINUED TO RACE, AND DUE TO THE LEVEL OF RACING, THE CRANKCASE SEAL BLEW OUT WHICH CAUSED OIL TO FLOW. THE DEALER ADVISED THE CONSUMER THE PROBLEM WAS DUE TO A STUCK FUEL INJECTOR. SCC *JB

Owner-reported narrative. Look up ODI 10012218 at NHTSA ↗

Owner report 10059009 · 2004-02-25 (February 25, 2004)

FUEL LEAK FROM SUPPLY FUEL LINE IN AN 1999 AUDI A6 DURING VERY COLD WEATHER. WHEN TEMPERATURES DROP BELOW 15-20 F THE CRIMPED END OF THE FUEL SUPPLY LINE LEAKS FUEL, WHICH CREATES AN INTENSE FUEL SMELL IN THE CABIN, BUT ONLY IF NOT MOVING AT HIGH SPEEDS. THE FUEL LEAKING FROM THE HOSE TRAVELS TOWARDS THE BACK OF THE ENGINE AND EVENTUALLY DRIPS ONTO THE EXHAUST MANIFOLD CREATING INTENSE SMOKE. APPARENTLY THE COLD LINE INTENSIFIED BY SUPER COOLED GAS STREAMING THROUGH IT CAUSES THE METAL PART OF THE LINE TO CONTRACT AT A SUFFICIENT RATE AS TO ALL…

Owner-reported narrative. 59,200 miles reported. Look up ODI 10059009 at NHTSA ↗

Owner report 10397211 · 2011-04-23 (April 23, 2011)

1999 AUDI A6 QUATTRO SUDDENLY ACCELERATED. I WAS PULLING INTO A PARKING SLOT AT MAYBE 5 MPH, MY FOOT WAS LIGHTLY PRESSING ON THE BRAKE PEDAL, AS I WAS NEARLY IN THE PARKING STALL. THE ENGINE WAS AT IDLE SPEED. AS I COASTED INTO THE PARKING STALL WITH MY FOOT ON THE BRAKE PEDAL THE ENGINE SUDDENLY AND WITHOUT ANY PRIOR WARNING REVVED UP TO ABOVE 3000 RPM. THE CAR LURCHED FORWARD HITTING THE PARKING CURB DIRECTLY IN FRONT OF ME. I IMMEDIATELY APPLIED MORE PRESSURE TO THE BRAKE PEDAL TO KEEP THE CAR FROM JUMPING OVER THE CURB, AND SHIFTED THE G…

Owner-reported narrative. 184,700 miles reported. Look up ODI 10397211 at NHTSA ↗

Owner report 556700 · 2000-10-19 (October 19, 2000)

CONSUMER IS NOT ABLE TO HAVE THE RECALL (00V-137) PERFORMED DUE TO LACK OF PARTS, CONSUMER HAS STALLED ON THE HIGHWAY DUE TO DEFECTIVE FUEL TANK ASSEMBLY SYSTEM. *MJS

Owner-reported narrative. Look up ODI 556700 at NHTSA ↗