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2005 Audi A4

Owner reports · Recalls · Investigations

More warning signs than most A4 years

Owner complaints for the 2005 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

165 reports with mileage · 54 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.

  • Exterior Lighting. Review the 101 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 54 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

7 crash reports3 fire reports6 injury reports

What owners actually said

219 reports
100,412 miles · Oct 3, 2011
Engine And Engine Cooling

THE TIMING CHAIN (NOT THE TIMING BELT, WHICH HAD BEEN CHANGED WELL BEFORE THE RECOMMENDED TIME) BROKE. THIS CAUSED THE ENGINE TO SEIZE IMMEDIATE RESULTING IN THE CAR COMING TO A RAPID AND ABRUPT STOP. FORTUNATELY FOR ME, IT OCCURRED AT LOW SPEED ON A VERY QUIET STREET. HAD IT OCCURRED ON A FREEWAY, SERIOUS INJURY OR DEATH LIK…

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THE TIMING CHAIN (NOT THE TIMING BELT, WHICH HAD BEEN CHANGED WELL BEFORE THE RECOMMENDED TIME) BROKE. THIS CAUSED THE ENGINE TO SEIZE IMMEDIATE RESULTING IN THE CAR COMING TO A RAPID AND ABRUPT STOP. FORTUNATELY FOR ME, IT OCCURRED AT LOW SPEED ON A VERY QUIET STREET. HAD IT OCCURRED ON A FREEWAY, SERIOUS INJURY OR DEATH LIKELY WOULD HAVE RESULTED SINCE THE CAR DECELERATED SO QUICKLY I WOULD NOT HAVE HAD TIME TO COAST INTO THE BREAKDOWN LANE. APPARENTLY FAILURES OF THESE TIMING CHAINS OCCUR COMMONLY; AUDI APPARENTLY HAS AN EXTENDED WARRANTY PROGRAM FOR SOME CAM FOLLOWER WEAR PROBLEMS (THAT MAY OR MAY NOT INVOLVE A TIMING CHAIN FAILURE). BUT THEY DO NOT LIST THE CHAIN OR THE FOLLOWER AS MAINTENANCE OR INSPECTION ITEMS, AND GIVE OWNERS NO HINT THAT THEY SHOULD INSPECT THE FOLLOWER, OR REPLACE THE CHAIN PERIODICALLY. TIMING CHAIN FAILURES ON ZERO CLEARANCE ENGINES (VW HAS THE SAME ENGINE AND APPARENTLY THE SAME PROBLEM), WILL KILL FOLKS IF THEY OCCUR ON FREEWAYS OR OTHER ROADS WHERE AN INABILITY TO COAST TO A SAFE STOPPING POINT WILL LEAVE MOTORISTS AT INCREDIBLE RISK. *TR

NHTSA ODI #10428250

70,000 miles · Sep 26, 2011
Exterior Lighting

LEFT OR RIGHT HEADLIGHTS FLICKER AND FAIL EVERY TIME I USE MY HEADLIGHTS. NO WORSE OR BETTER WITH BUMPY ROADS. AFTER A LIGHT GOES OUT, TURNING THE LIGHTS OFF AND BACK ON TEMPORARILY FIXES THE PROBLEM. BUT A FEW MOMENTS LATER THE LIGHT FLICKERS AND FAILS. MOST RECENT FAILURE WAS WHEN GOING AROUND A CORNER AT NIGHT. ONCOMING TRAFF…

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LEFT OR RIGHT HEADLIGHTS FLICKER AND FAIL EVERY TIME I USE MY HEADLIGHTS. NO WORSE OR BETTER WITH BUMPY ROADS. AFTER A LIGHT GOES OUT, TURNING THE LIGHTS OFF AND BACK ON TEMPORARILY FIXES THE PROBLEM. BUT A FEW MOMENTS LATER THE LIGHT FLICKERS AND FAILS. MOST RECENT FAILURE WAS WHEN GOING AROUND A CORNER AT NIGHT. ONCOMING TRAFFIC DID NOT SEE ME AND NEARLY CRASHED HEAD ON. NEWLY PURCHASED CAR AND HEADLIGHTS FAILED FIRST NIGHT. I HAVE RESEARCHED THE PROBLEM ONLINE AND READ DOZENS OF THREADS WITH SEEMINGLY HUNDREDS OF PEOPLE WITH THE SAME PROBLEM. ABSOLUTELY SHOCKED AUDI HAS NOT PUT OUT A RECALL. SERIOUS SAFETY ISSUE WITH NO CURRENT SOLUTION. THE QUESTION IS OUT OF ALL THE DEADLY ACCIDENTS IN AUDI CARS, HOW MANY HAD THIS ISSUE AS A FACTOR. I DON'T ENVY THE PERSON QUICKLY DRIVING DOWN A WINDING BACK ROAD, WHEN THEIR HEADLIGHTS GO OUT AN INSTANT BEFORE A QUICK TURN THEY WONT SEE AND WRAP THEIR CAR AROUND A TREE. *TR

NHTSA ODI #10427131

Mileage unknown · Sep 23, 2011
Exterior Lighting

MY AUDI A4 CONSTANTLY WILL GET A DIPPED HEADLIGHT, MEANING THAT THE HID LIGHTS WILL DIP AND FAIL TO STAY ON. IT HAPPENS ON BOTH SIDES AND WILL HAPPEN AT NIGHT. I HAVE DRIVEN IN COMPLETE DARKNESS AND HAD BOTH LIGHTS FAIL, IF I TURN THE LIGHTS OFF FOR A FEW SECONDS AND BACK ON THEY WILL RESET BUT IT DOES NOT TAKE LONG BEFORE TH…

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MY AUDI A4 CONSTANTLY WILL GET A DIPPED HEADLIGHT, MEANING THAT THE HID LIGHTS WILL DIP AND FAIL TO STAY ON. IT HAPPENS ON BOTH SIDES AND WILL HAPPEN AT NIGHT. I HAVE DRIVEN IN COMPLETE DARKNESS AND HAD BOTH LIGHTS FAIL, IF I TURN THE LIGHTS OFF FOR A FEW SECONDS AND BACK ON THEY WILL RESET BUT IT DOES NOT TAKE LONG BEFORE THEY DO IT AGAIN AND IT IS SOMETHING THAT CONCERNS ME ANYTIME I DRIVE DURING DARK TIMES. I LIVE IN A AREA WITH SNOW AND ICE IN THE WINTER AND ALSO HAVE TO DEAL WITH DEER AND PEDESTRIANS DURING THE SUMMER. MY LIGHTS GOING OUT ALL OF A SUDDEN FOR NO REASON HAS ME QUESTIONING THE SAFETY MY CAR PROVIDES. I AM CONCERNED THAT I MAY HAVE MY LIGHTS GO OUT AND WRECK, OR POTENTIALLY HIT A ANIMAL OR PERSON. *TR

NHTSA ODI #10426990

Mileage unknown · Sep 21, 2011
Electrical SystemExterior Lighting

HEADLIGHTS CONSTANTLY FLICKER AND THEN GO OUT. TURNING THEM OFF THEN ON WILL ONLY BRING THEM ON FOR A FEW SECONDS. I HAVE HAD BULB REPLACED NO RESULTS, THOUGH VERY EXPENSIVE. MY LAST AUDI BURNED TO THE GROUND DUE TO SIMILAR DEFECT. COULDN'T IMAGINE THIS WOULD HAPPEN AGAIN. HAVE REACHED OUT TO AUDI WITH NO RESPONSE. *TR

NHTSA ODI #10426690

50,000 miles · Aug 16, 2011
Electrical SystemExterior Lighting

1) HEADLIGHTS ARE THE MAIN PROBLEM. THE CAR HAS THE TYPE OF LIGHTS THAT MOVE WHEN TURNING THE WHEEL. OCCASIONALLY, THE HEADLIGHTS WILL FLICKER WHETHER OR NOT YOU ARE TURNING THE STEERING WHEEL BUT WILL REMAIN ON. THIS IS A NUISANCE BUT MAY BE RELATED TO THE NEXT, LARGER PROBLEM. THE LARGER PROBLEM IS, ALMOST EVERY NIGHT THER…

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1) HEADLIGHTS ARE THE MAIN PROBLEM. THE CAR HAS THE TYPE OF LIGHTS THAT MOVE WHEN TURNING THE WHEEL. OCCASIONALLY, THE HEADLIGHTS WILL FLICKER WHETHER OR NOT YOU ARE TURNING THE STEERING WHEEL BUT WILL REMAIN ON. THIS IS A NUISANCE BUT MAY BE RELATED TO THE NEXT, LARGER PROBLEM. THE LARGER PROBLEM IS, ALMOST EVERY NIGHT THERE WILL BE A HEADLIGHT DIP WARNING SIGNAL ON THE INSTRUMENT PANEL. WHEN THIS HAPPENS RARELY WILL THE HEADLIGHTS STAY ON ANYMORE. THEY USED TO DO SO, BUT NOW ONE OR BOTH OF THE HEADLIGHTS WILL FREQUENTLY TURN OFF. WE USED TO BE ABLE TO OVERRIDE THIS BY MOVING THE HEADLIGHT SWITCH ON THE DASH FROM THE AUTO TO THE MANUAL MODE AND OFF MODE. HOWEVER, NOW WE HAVE TO SWITCH BACK AND FORTH MULTIPLE TIMES BEFORE THE HEADLIGHTS TURN BACK ON AND IT TAKES A LOT LONGER NOW THAN IT USED TO. (THE HEADLIGHTS ARE STAYING OFF FOR LONGER PERIODS. ) ALSO, EVEN WHEN YOU LEAVE THE HEADLIGHT SWITCH IN THE MANUAL MODE (RATHER THAN USE THE AUTO MODE AT ALL), THE HEADLIGHTS WILL STILL DIP AND TURN OFF.

NHTSA ODI #10420287

90,668 miles · Aug 3, 2011
Vehicle Speed Control

UNINTENDED ACCELERATION: VEHICLE CONTINUED TO ACCELERATE AFTER ENTERING HIGHWAY. DRIVER PUT THE CAR IN NEUTRAL (MANUAL TRANSMISSION). TACHOMETER CONTINUED TO INCREASE UNTIL IT RED-LINED. DRIVER PULLED OFF THE HIGHWAY AND TURNED THE ENGINE OFF. THE THROTTLE RELEASED WITH A POPPING NOISE. DRIVER OBSERVED THE THROTTLE AND THE MAT …

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UNINTENDED ACCELERATION: VEHICLE CONTINUED TO ACCELERATE AFTER ENTERING HIGHWAY. DRIVER PUT THE CAR IN NEUTRAL (MANUAL TRANSMISSION). TACHOMETER CONTINUED TO INCREASE UNTIL IT RED-LINED. DRIVER PULLED OFF THE HIGHWAY AND TURNED THE ENGINE OFF. THE THROTTLE RELEASED WITH A POPPING NOISE. DRIVER OBSERVED THE THROTTLE AND THE MAT DID NOT APPEAR TO BE PUSHING ON THE THROTTLE BUT THE MAT WAS NOT SECURED IN PLACE. TOOK THE CAR TO THE DEALER (WHERE IT WAS BOUGHT AND SERVICED REGULARLY). THEY RAN DIAGNOSTIC SCAN, NO FAULTS IN SYSTEM. OWNERS WROTE AND CALLED AUDI CUSTOMER CARE AND WERE INFORMED CAR IS WORKING AS DESIGNED. WEATHER WAS HOT AND DRY (JULY).

NHTSA ODI #10417489

43,000 miles · Aug 1, 2011
Exterior Lighting

TL* THE CONTACT OWNS A 2005 AUDI A4. THE CONTACT STATED THE HEADLIGHTS SHUT ON AND OFF WHILE DRIVING. WHEN THE FAILURE OCCURRED THE INSTRUMENT PANEL WOULD DISPLAY HEADLIGHTS DIPPED ON THE INSTRUMENT. THE CONTACT TOOK THE VEHICLE TO THE DEALER WHO WAS TOLD THE ENGINE VIBRATION CAUSED THE HEADLIGHTS TO SHUT OFF. THE DEALER PLACED…

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TL* THE CONTACT OWNS A 2005 AUDI A4. THE CONTACT STATED THE HEADLIGHTS SHUT ON AND OFF WHILE DRIVING. WHEN THE FAILURE OCCURRED THE INSTRUMENT PANEL WOULD DISPLAY HEADLIGHTS DIPPED ON THE INSTRUMENT. THE CONTACT TOOK THE VEHICLE TO THE DEALER WHO WAS TOLD THE ENGINE VIBRATION CAUSED THE HEADLIGHTS TO SHUT OFF. THE DEALER PLACED RUBBER PIECES INTO THE CASING IN ORDER TO MINIMIZE THE VIBRATION. THE FAILURE MILEAGE WAS 43,000 AND THE CURRENT MILEAGE WAS 62,000.

NHTSA ODI #10416448

60,000 miles · May 27, 2011
Exterior Lighting

VIBRATIONS ON THE ROAD OR AT IDLE CAUSE MY AUDI A4 (B7)'S HEADLIGHTS TO FLICKER OR EVEN TURN OFF FOR A BRIEF MOMENT! IT OCCURS AT LEAST ONCE EVERY NIGHT, AND SO FAR AUDI HAS ISSUED NO REMEDIES. I HAVE THE XENON BULBS. *TR

NHTSA ODI #10402950

75,000 miles · May 25, 2011
Exterior Lighting

WHILE DRIVING THE HEADLIGHTS (EITHER LEFT OR RIGHT OR SOMETIMES BOTH) WILL JUST GO OUT. HAPPENS ON THE FREEWAY, HAPPENS IN THE DRIVEWAY OR ON A SURFACE ROAD...IT HAPPENS NEARLY EVERY TIME I DRIVE WITH THE HEADLIGHTS ON. AUDI CAN'T REPLICATE THE ISSUE WHEN I BRING IT IN AND DOESN'T HAVE A FIX. MANY PEOPLE REPORT THAT REPLACIN…

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WHILE DRIVING THE HEADLIGHTS (EITHER LEFT OR RIGHT OR SOMETIMES BOTH) WILL JUST GO OUT. HAPPENS ON THE FREEWAY, HAPPENS IN THE DRIVEWAY OR ON A SURFACE ROAD...IT HAPPENS NEARLY EVERY TIME I DRIVE WITH THE HEADLIGHTS ON. AUDI CAN'T REPLICATE THE ISSUE WHEN I BRING IT IN AND DOESN'T HAVE A FIX. MANY PEOPLE REPORT THAT REPLACING HEADLIGHT BULB OR BALLACE DIDN'T FIX PROBLEM. THIS IS VERY DANGEROUS AS THEY JUST FLICKER AND GO OUT. THERE REALLY SHOULD BE A RECALL AS THIS IS A VERY COMMON ISSUE ON THE A4. *TR

NHTSA ODI #10402753

73,000 miles · Mar 22, 2011
Exterior Lighting

2005 AUDI A4 2.0T - HEADLIGHTS MALFUNCTION. WARNING SIGN COMES ON "LEFT/RIGHT HEADLIGHT DIPPED OUT". DURING NIGHT, THIS IS EXTREMELY DANGEROUS. ONLY WAY TO GET LIGHTS BACK ON IS TO EITHER TURN HEADLIGHTS OFF AND BACK ON AGAIN OR PULL OVER, TURN CAR OFF AND RESTART. THIS IS ONLY A TEMPORARY FIX THOUGH. WITHIN 10 TO 15 MIN, THE HE…

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2005 AUDI A4 2.0T - HEADLIGHTS MALFUNCTION. WARNING SIGN COMES ON "LEFT/RIGHT HEADLIGHT DIPPED OUT". DURING NIGHT, THIS IS EXTREMELY DANGEROUS. ONLY WAY TO GET LIGHTS BACK ON IS TO EITHER TURN HEADLIGHTS OFF AND BACK ON AGAIN OR PULL OVER, TURN CAR OFF AND RESTART. THIS IS ONLY A TEMPORARY FIX THOUGH. WITHIN 10 TO 15 MIN, THE HEADLIGHT WILL "DIP" OUT AGAIN (LIGHT FLICKERS AND GOES OUT). CHANGING BULBS DO NOT HELP. CHANGING BALLAST DOES NOT HELP. WITHIN A 20 MILE STRETCH, MY HEADLIGHTS WILL "DIP OUT" AND BLACK OUT ON AVERAGE OF 3 TIMES. THIS MAKES FOR VERY UNSAFE DRIVING CONDITIONS. *TR

NHTSA ODI #10392548

Official recalls

3

18V427000 · Air Bags:frontal:passenger Side:inflator Module

Jun 22, 2018

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2005-2008 Audi A4 Sedan, A4 Avant, S4 Avant and S4 Sedan, 2007-2008 RS4 Sedan, 2004 RS4 Cabriolet, 2007-2009 A4 Cabriolet and S4 Cabriolet, 2005-2011 A6 Sedan, 2006-2011 A6 Avant, and 2007-2011 S6 Sedan vehicles. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the passenger frontal air bag, these inflators may explode due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Consequence & remedy

Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.

Remedy: Audi has notified owners, and dealers will replace the passenger frontal air bag with an alternate remedy part, free of charge. The recall began June 29, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69R7. Note: This recall supersedes recalls 16V382, 17V032 and 18V004 and includes vehicles that may have had their air bag previously replaced under one of those campaigns.

17V032000 · Air Bags:frontal:passenger Side:inflator Module

Jan 11, 2017

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2009 Audi A4 Cabriolet, S4 Cabriolet, A6 Avant, A6 Sedan and S6 Sedan vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, the District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Additionally, unless included in "Zone B" above, Volkswagen is recalling certain 2005-2008 Audi A4 Avant, A4 Sedan, A6 Sedan, S4 Avant and S4 Sedan vehicles, 2007-2008 A4 Cabriolet, RS4 Sedan, S4 Cabriolet and S6 Sedan vehicles, and 2006-2008 A6 Avant and 2008 RS4 Cabriolet vehicles originally sold, or ever registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Consequence & remedy

Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

Remedy: Audi will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began March 30, 2018. Owners may contact Audi customer service at 1-800-253-2834. Note: This recall has been superseded by recall number 18V427.

16V382000 · Air Bags:frontal:passenger Side:inflator Module

Jun 1, 2016

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2004-2008 Audi A4, and 2005-2011 Audi A6 vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above, Volkswagen is recalling certain model year 2004-2008 Audi A4, and 2005-2008 Audi A6 vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Lastly, unless included in "Zone A" or "Zone B" above, Volkswagen is recalling model year 2004 Audi A4 vehicles originally sold, or registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Consequence & remedy

Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

Remedy: Audi will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. Owner notification letters were mailed April 28, 2017. Owners may contact Audi customer service 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.