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1999 Audi A4

Owner reports · Recalls · Investigations

More warning signs than most A4 years

Owner complaints for the 1999 Audi A4 are substantially higher than the model-year median of 76.5.

About this comparison →

When problems were reported

Mileage at the reported incident

100 reports with mileage · 90 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.

  • Service Brakes, Hydraulic. Review the 81 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

9 crash reports2 fire reports4 injury reports

What owners actually said

190 reports
55,000 miles · Jan 9, 2004
Vehicle Speed Control

WHILE TRAVELING ON THE HIGHWAY ON A SUB ZERO (-6 DEGREE F) NIGHT, MY CAR WHICH WAS SET AT 55 MPH ON CRUISE CONTROL, ACCELERATED ON ITS OWN TO 62 MPH, AND THE THROTTLE BECAME STUCK. BRAKING, AND PUSHING THE APPROPRIATE BUTTONS WOULD NOT DISENGAGE THE CRUISE CONTROL. I HAD TO PHYSICALLY PUSH THE FOOT BRAKE AS HARD AS POSSIBLE TO …

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WHILE TRAVELING ON THE HIGHWAY ON A SUB ZERO (-6 DEGREE F) NIGHT, MY CAR WHICH WAS SET AT 55 MPH ON CRUISE CONTROL, ACCELERATED ON ITS OWN TO 62 MPH, AND THE THROTTLE BECAME STUCK. BRAKING, AND PUSHING THE APPROPRIATE BUTTONS WOULD NOT DISENGAGE THE CRUISE CONTROL. I HAD TO PHYSICALLY PUSH THE FOOT BRAKE AS HARD AS POSSIBLE TO FORCE THE CAR TO A STOP, AND THEN THE CAR WAS STILL ACCELERATING ON ITS OWN WHEN I RELEASED THE BRAKE. AFTER STARTING THE CAR AND TURNING IT OFF 3 TIMES, I FINALLY DISENGAGED THE CRUISE CONTROL AND MADE IT TO MY DESTINATION. ON THE WAY HOME, WITHOUT TOUCHING ANY CRUISE CONTROL FEATURES, THE THROTTLE ONCE AGAIN BECAME STUCK AND WAS TRYING TO ACCELERATE THE CAR. TODAY I HAD THE CAR SERVICED, AND I WAS INFORMED THAT THEY HAD RECEIVED 3 CALLS DURING THE TIME PERIOD I WAS THERE REGARDING A SIMILAR SITUATION WITH VEHICLES THAT CONTAIN THE SAME OR A SIMILAR ENGINE.*AK

NHTSA ODI #10052734

71,000 miles · Dec 27, 2003
Service Brakes, Hydraulic

ABS PUMP FAILURE. AT APPROX. 71000 MILES, THE ABS CONTROLLER/PUMP FAILED ON MY 1999 AUDI A4 1.8T QUATTRO. THERE ARE MANY OTHERS THAT I HAVE SPOKEN TO AND READ ABOUT WHO HAVE ALSO HAD THE EXACT SAME FAILURE WITH THE SAME ABS PUMP/CONTROLLER. HTTP://TECH.BENTLEYPUBLISHERS.COM/THREAD.JSPA?THREADID=3409&TSTART=0 AND HTTP://FORUMS…

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ABS PUMP FAILURE. AT APPROX. 71000 MILES, THE ABS CONTROLLER/PUMP FAILED ON MY 1999 AUDI A4 1.8T QUATTRO. THERE ARE MANY OTHERS THAT I HAVE SPOKEN TO AND READ ABOUT WHO HAVE ALSO HAD THE EXACT SAME FAILURE WITH THE SAME ABS PUMP/CONTROLLER. HTTP://TECH.BENTLEYPUBLISHERS.COM/THREAD.JSPA?THREADID=3409&TSTART=0 AND HTTP://FORUMS.AUDIWORLD.COM/A4/MSGS/1743701.PHTML . APPARENTLY, AUDI KNOWS ABOUT THE PROBLEM BUT IS NOT WIDESPREAD ENOUGH TO ISSUE A RECALL.*AK

NHTSA ODI #10051161

Mileage unknown · Dec 18, 2003
Service Brakes, Air

OUR ABS LIGHT CAME ON THE DAY I PICKED UP THE CAR FROM THE DEALER AFTER GETTING ALL NEW BRAKES DONE. BERNARDI AUDI OF NATICK MA. THEY REFUSE TO BELIEVE THEY ARE TO BLAME.(WHATEVER) MY INDEPENDENT MECHANIC IS SAYING THE CONTROLLER IS DEAD.*AK THIS CAR IS A 1999 AUDI A4 QUATTRO THAT HAD 65,000 MILES ON IT WHEN IT DIED. THE CAR R…

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OUR ABS LIGHT CAME ON THE DAY I PICKED UP THE CAR FROM THE DEALER AFTER GETTING ALL NEW BRAKES DONE. BERNARDI AUDI OF NATICK MA. THEY REFUSE TO BELIEVE THEY ARE TO BLAME.(WHATEVER) MY INDEPENDENT MECHANIC IS SAYING THE CONTROLLER IS DEAD.*AK THIS CAR IS A 1999 AUDI A4 QUATTRO THAT HAD 65,000 MILES ON IT WHEN IT DIED. THE CAR RUNS WITHOUT ABS TO THIS DAY. I CAN'T BELIEVE THEY CHARGE 1500 DOLLARS TO FIX THIS!!

NHTSA ODI #10050713

48,000 miles · Dec 3, 2003
Engine And Engine Cooling

THE TIMING BELT FAILED AT 48,000 MILES CAUSING MAJOR ENGINE DAMAGE. ALL SOURCES STATE THIS BELT DOES NOT HAVE TO BE REPLACED UNTIL 90,000-105,000 MILES. *NLM

NHTSA ODI #10049095

69,000 miles · Aug 5, 2003
Engine And Engine Cooling

MY TIMING BELT FAILED AT 69000 MILES AND CAUSED ENGINE DAMAGE (REPLACEMENT OF HEADS). TOTAL REPAIR COST CAME TO $4000. SEEMS TO BE A COMMON FAILURE PRIOR TO THE RECOMMENDED 90K CHANGE INTERVAL. I TRIED SCHEDULING THE CHANGING OF THE TIMING BELT AT 6800 MILES BUT WAS TOLD TO WAIT BY AN AUDI SERVICE DEPARTMENT. CURRENTLY WORKI…

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MY TIMING BELT FAILED AT 69000 MILES AND CAUSED ENGINE DAMAGE (REPLACEMENT OF HEADS). TOTAL REPAIR COST CAME TO $4000. SEEMS TO BE A COMMON FAILURE PRIOR TO THE RECOMMENDED 90K CHANGE INTERVAL. I TRIED SCHEDULING THE CHANGING OF THE TIMING BELT AT 6800 MILES BUT WAS TOLD TO WAIT BY AN AUDI SERVICE DEPARTMENT. CURRENTLY WORKING WITH AUDI FOR REPAYMENT.*AK

NHTSA ODI #10030852

91,000 miles · Jul 24, 2003
Engine And Engine Cooling

THE VW/AUDI 1.8T ENGINE HAS BEEN EXPERIENCING AN ALARMING NUMBER OF PREMATURE TIMING BELT FAILURES, CAUSING INSTANTANEOUS POWER FAILURE AND CATASTROPHIC VALVE TRAIN DAMAGE. (SEARCH AUDIWORLD.COM FOR TIMING BELT FAILURE.) FAILURES HAVE OCCURRED AS LOW AS 45K MILES. MINE WENT AT 90K MILES ALTHOUGH THE SERVICE MANUAL MAKES NO MENTI…

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THE VW/AUDI 1.8T ENGINE HAS BEEN EXPERIENCING AN ALARMING NUMBER OF PREMATURE TIMING BELT FAILURES, CAUSING INSTANTANEOUS POWER FAILURE AND CATASTROPHIC VALVE TRAIN DAMAGE. (SEARCH AUDIWORLD.COM FOR TIMING BELT FAILURE.) FAILURES HAVE OCCURRED AS LOW AS 45K MILES. MINE WENT AT 90K MILES ALTHOUGH THE SERVICE MANUAL MAKES NO MENTION OF SCHEDULED REPLACEMENT. IF THIS HAD HAPPENED WHILE PASSING OR ON THE INTERSTATE, A SERIOUS ACCIDENT COULD HAVE OCCURRED. THESE VEHILCLES SHOULD BE RECALLED OR AT LEAST AUDI SHOULD NOTIFY THE OWNERS OF THE PROBLEM. THE TIMING BELTS SHOULD BE REPLACED TO AVOID A POTENTIAL FATAL ACCIDENT. THERE IS ALSO A KNOWN TIMING BELT TENSIONER PROBLEM IN PRE-2000 MODEL YEAR CARS THAT CAUSES FAILURE. *AK

NHTSA ODI #10029082

68,000 miles · Jun 20, 2003
Engine And Engine Cooling

TURBO-CHARGER BROKE DOWN. IT SHOULD NOT HAVE HAPPENED AT 68000 AS IT IS NOT A WEARABLE PART. THE CAR STARTED STALLING, PRESSED GAS PEDAL BUT THERE WAS NO MOVEMENT. SCALE OF THE RPM'S ON THE DASH BOARD WENT ALL THE WAY TO 5500 RPM'S, WHEN I PRESSED A GAS PEDAL, BUT THE CAR DID NOT MOVE. SUDDENLY, I WAS ENGULFED IN HUMUNGOUS AMOU…

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TURBO-CHARGER BROKE DOWN. IT SHOULD NOT HAVE HAPPENED AT 68000 AS IT IS NOT A WEARABLE PART. THE CAR STARTED STALLING, PRESSED GAS PEDAL BUT THERE WAS NO MOVEMENT. SCALE OF THE RPM'S ON THE DASH BOARD WENT ALL THE WAY TO 5500 RPM'S, WHEN I PRESSED A GAS PEDAL, BUT THE CAR DID NOT MOVE. SUDDENLY, I WAS ENGULFED IN HUMUNGOUS AMOUNT OF WHITE SMOKE. BROUGHT CAR TO DON ROSEN AUDI SERVICE CENTER AND THEY ARE SAYING THAT REPAIR WILL COST ME SOME $1,600 AT LEAST. BUT, I BROUGHT MY CAR IN, MONTH AGO TO DON ROSEN AUDI AUTHORIZED SERVICE CENTER WITH COMPLAINT THAT THERE WAS WHITE SMOKE COMING OUT OF THE EXHAUST AND THAT VEHICLE WAS RUNNING AT 60% OF ITS POWER. THEY LOOKED AT IT AND SAID THEY DID NOT SEE ANY PROBLEM, PARTICULARLY THAT THE TURBO-CHARGER WAS JUST FINE. I SAID, MAYBE THERE IS NO SMOKE COMING OUT RIGHT THIS MOMENT, BUT IT IS HAPPENING EVERY SINGLE DAY, FEW TIMES A DAY, AND PLEASE TO LOOK AT IT BETTER. THEY'VE JUST SENT ME HOME TELLING ME THERE WAS NO PROBLEM. I TOLD THEM THAT IT WAS THEIR MISTAKE BY NOT LISTENING ME WHEN I COMPLAINED ON TIME TO FIX IT. BUT THEY DID NOT WANT TO HEAR MY ARGUMENT. NOW, I HAVE TO PAY FOR THE REPAIR I'VE TOLD THEM MONTH AND A HALF AGO TO FIX. PLUS, THIS BRAKE-DOWN SHOULD NOT HAVE HAPPENED AT FIRST PLACE AT THIS MILEAGE. ALSO, WHEN I VISITED THEM MONTH AGO THEY'VE TOLD ME THAT I NEED TO CHANGE A TIMING BELT ONLY. I SEE THAT TIMING BELT, AS A PART COSTS ONLY $40, BUT THEY WANT TO CHARGE $1,000 TO FIX IT. I DO NOT THINK THAT THE LABOR COSTS $960 TO REPLACE A TIMING BELT. *NLM

NHTSA ODI #10023445

Mileage unknown · Jun 10, 2003
Steering

NHTSA#00-V-414-000; PASSENGER VEHICLES. TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT SOME TIE ROD SEALS MAY NOT SEAL PROPERLY. CONSUMER HAS SAME PROBLEM. HOWEVER THIS VEHICLE WAS NOT RECALLED DUE TO…

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NHTSA#00-V-414-000; PASSENGER VEHICLES. TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT SOME TIE ROD SEALS MAY NOT SEAL PROPERLY. CONSUMER HAS SAME PROBLEM. HOWEVER THIS VEHICLE WAS NOT RECALLED DUE TO THE VIN. *AK

NHTSA ODI #10022767

27,500 miles · May 29, 2003
Engine And Engine Cooling

LEAKING WATER PUMP CAUSED TIMING BELT TO FAIL CAUSING $8500 ENGINE DAMAGE ON A 1999 AUDI A4 WITH ONLY 28K MILES.

NHTSA ODI #10020677

15,000 miles · May 16, 2003
Air BagsEngine And Engine CoolingFuel System, Gasoline

WHEN THE CAR WAS ABOUT A YEAR OLD, THE ENTIRE AIRBAG SYSTEM HAD TO BE REPLACED, THE REPAIR FACILITY NOTED TO ME THAT I WAS LUCKY TO BRING IT IN WHEN I DID, AS IT WAS AT RISK FOR SPONTANEOUS DEPLOYMENT. ADDITIONAL PROBLEMS INCLUDED AN OIL PUMP FAILURE ($750) AT ABOUT THE THREE YEAR MARK; AND OCCASIONAL SUDDEN LURCHING/RPM REVVING…

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WHEN THE CAR WAS ABOUT A YEAR OLD, THE ENTIRE AIRBAG SYSTEM HAD TO BE REPLACED, THE REPAIR FACILITY NOTED TO ME THAT I WAS LUCKY TO BRING IT IN WHEN I DID, AS IT WAS AT RISK FOR SPONTANEOUS DEPLOYMENT. ADDITIONAL PROBLEMS INCLUDED AN OIL PUMP FAILURE ($750) AT ABOUT THE THREE YEAR MARK; AND OCCASIONAL SUDDEN LURCHING/RPM REVVING OR SUDDEN ONSET OF A 'LAG' IN POWER, WHICH THE DEALER NOTED WHEN I BROUGHT IT IN BUT COULD DO NOTHING ABOUT. I HAVE ALSO HAD PROBLEMS WITH THE FUEL INDICATOR GAUGE BEING GROSSLY INACCURATE - INDICATING I HAVE USED ONLY A QUARTER TANK OF FUEL TO DRIVE 350 MILES. HOWEVER, THE MOST BOTHERSOME ONGOING PROBLEM IS FOUR OR FIVE TRIPS TO THE DEALER TO REPAIR A NON-FUNCTIONING CRUISE CONTROL SYSTEM. EACH TIME THEY HAVE 'REPLACED THE VACUUM HOSES' BUT THIS 'REPAIR' WILL BEGIN TO FAIL AGAIN LATER THAT SAME DAY. THE SYSTEM WILL EITHER FAIL TO ENGAGE ALTOGETHER, OR IT WILL BE ENGAGED DURING HIGHWAY DRIVING, THEN WITHIN A FEW MINUTES, THE SPEED WILL CONTINUALLY DECREASE UNTIL I HAVE TO MANUALLY DISENGAGE THE SYSTEM AND TURN IT OFF. I REPORTED THIS TO AUDI OF AMERICA'S CORPORATE CUSTOMER SERVICE (VERY FRIENDLY AND HELPFUL) WHO HELPED ME ARRANGE ANOTHER SERVICE VISIT, BUT THE PROBLEM HAS NEVER BEEN RESOLVED. CRUISE CONTROL HAS NEVER WORKED AND I'M GIVING UP ON IT EVER WORKING. I JUST HAVE TO PRETEND THAT I DON'T HAVE IT, WHICH IS VERY ANNOYING DURING HIGHWAY TRAVEL. *NLM

NHTSA ODI #10018789

Official recalls

4

20V056000 · Air Bags:frontal:driver Side:inflator Module

Jan 31, 2020

Volkswagen Group of America, Inc. (VW) is recalling certain 2000-2001 TT Roadster, 2000 TT Coupe, 1999 Audi A8, 1998-2000 Audi A6, and 1999-2000 Audi A4 vehicles equipped with Non-Azide Driver air bag Inflators (NADI) that do not contain phase stabilized ammonium nitrate (PSAN) propellant. Due to a manufacturing issue, the NADI inflators may absorb moisture, possibly causing the air bag to deploy improperly in the event of a crash.

Consequence & remedy

Consequence: In the event of a crash necessitating air bag deployment, the air bag may not properly protect the occupant, increasing the risk of serious injury or death.

Remedy: Dealers will replace the driver frontal air bag inflator with an alternative inflator when the parts become available, free of charge. Owner notifications were mailed September 21, 2021. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69BT.

00V414000 · Steering:linkages:rod:relay:connecting

Dec 6, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT SOME TIE ROD SEALS MAY NOT SEAL PROPERLY.

Consequence & remedy

Consequence: IF MOISTURE AND/OR DUST PARTICLES ENTER THE SWIVEL BEARING MECHANISM, THE SWIVEL BEARING COULD WEAR OVER TIME DIMINISHING THE STEERING CONTROL OF THE VEHICLE.

Remedy: DEALERS WILL REPLACE THE TIE RODS.

99V248000 · Steering:linkages:rod:relay:connecting

Sep 13, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT SOME TIE ROD SEALS MAY NOT SEAL PROPERLY.

Consequence & remedy

Consequence: IF MOISTURE AND/OR DUST PARTICLES ENTER THE SWIVEL BEARING MECHANISM, THE SWIVEL BEARING COULD WEAR OVER TIME DIMINISHING THE STEERING CONTROL OF THE VEHICLE.

Remedy: DEALERS WILL REPLACE THE TIE RODS.

99V131001 · Service Brakes, Hydraulic:power Assist:vacuum:hoses, Lines/piping, And Fittings

May 21, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS. A CONTROL VALVE IN THE VACUUM HOSE CONNECTING THE BRAKE BOOSTER TO THE INTAKE MANIFOLD MAY NOT OPEN OR CLOSE FULLY AT TEMPERATURES BELOW -4 F UNDER CERTAIN DRIVING CONDITIONS.

Consequence & remedy

Consequence: THIS CONDITION COULD CAUSE INSUFFICIENT VACUUM TO BE PROVIDED TO THE BRAKE BOOSTER.

Remedy: DEALERS WILL INSTALL A VACUUM BY-PASS SYSTEM INTO VEHICLES OPERATED IN THESE STATES WHICH IS DESIGNED TO PROVIDE SUFFICIENT VACUUM FOR FULL BRAKE ASSIST UNDER ALL WEATHER CONDITIONS.

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

5

EA04017 · STUCK-OPEN Throttle

Opened Jun 30, 2004 · Closed Feb 10, 2005

Status: closed (inferred from source dates) · Fuel System, Gasoline:fuel Injection System

VWOA HAS RECALLED APPROXIMATELY 28,300 MY 1998-99 A6 VEHICLES IN COLD WEATHER STATES THAT EXPERIENCED THE HIGHEST RATE OF THROTTLE ICING INCIDENTS IN THE SUBJECT VEHICLES (04V-495).THE FAILURE RATE IN THE A4 AND PASSAT VEHICLES IS MUCH LOWER THAN IN THE RECALLED VEHICLES.ODI WILL CONTINUE TO MONITOR THE EXPERIENCE IN THE A4 AND PASSAT VEHICLES.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS FOR THE AUDI A4 OR VW PASSAT VEHICLES.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY A CHANGE IN CIRCUMSTANCES. FOR FURTHER DETAILS SEE THE ATTACHED CLOSING REPORT.

PE02008 · Brake And Clutch Pedal Bracket

Opened Jan 23, 2002 · Closed Jul 12, 2002

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

No summary supplied.

EA00021 · Degraded Braking In Wet Weather

Opened Aug 11, 2000 · Closed Mar 29, 2002

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

There is no summary currently available

PE00016 · Degraded Braking Wet Weather Condition

Opened Apr 4, 2000 · Closed Aug 11, 2000

Status: closed (inferred from source dates) · Electrical System

There is no summary currently available

RQ99008 · Power Brake Booster Vacuum BY-PASS

Opened Jun 1, 1999 · Closed Nov 14, 2000

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

There is no summary currently available