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KLUNK
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2006 Audi A4

The Verdict

44 Proceed with Caution

The 2006 Audi A4 has 296 owner complaints filed with NHTSA. The most reported issues are electrical (231 complaints) and body (24 complaints). With a Klunk Score of 44/100, it earns a "Proceed with Caution" rating. If you're shopping for a Audi A4, consider the 2024 model year which has 99% fewer complaints.

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44

Klunk Score: Proceed with Caution

About average for complaint volume. Research the specific issues before buying.

How is this calculated?

The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.

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Under the Hood

Each number is a complaint. Darker = bigger problem.

YearBodyBrakesElectricalEngineTransmission
2000115016127
2001173244354
2002394874016
2003552497138
2004505428012
20052021552814
20062452312412
20081521372610
200931054542
2010613485
2011505202
2012503171
201361016257
20143028323
20158010205
2016804121
201720431242
20181231593
201910220
20203418900
202150411
202410010

By Category

Electrical
231
Body
24
Engine
24
Transmission
12
Brakes
5

By Severity

1
138
2
145
4
13

Worst Problems

Compare Against

See how the 2006 Audi A4 stacks up against rivals.

Complaints

Engine 2

Gas gauge displaying incorrect level of fuel. Oil level notification improperly displaying level of oil.

46mo ago
Electrical 4

The contact owns a 2006 Audi A4. The contact stated that while driving approximately 45 mph, the wife crashed into the rear of a second vehicle. During the crash the front driver side air bag did not deploy, however, the passenger side airbag did deploy, and both the front and rear driver side and passenger side headrest restraints activated. The contact indicated that no passengers were present in the vehicle during the crash. No injuries were reported. A police report was taken at the scene and the vehicle was towed away. The cause of the failure was not yet determined. The manufacturer was not contacted. The local dealer was notified. The failure mileage was 160,000.

57mo ago
Electrical 1

PURCHASED THE VEHICLE A FEW MONTHS AGO (JULY OF 2020). BEFORE BUYING IT I WAS TOLD THAT THE WARNING CHIME FOR THE SEATBELT HAD STOPPED WORKING , SO I TOOK IT TO MY LOCAL GERMAN AUTO SHOP TO SEE WHAT WOULD NEEDED TO FIX IT. TO MY SURPRISE, IT'S A PART IN THE INSTRUMENT CLUSTER THAT WOULD NEED TO BE REPLACED, BUT IT'S A COMMON ISSUE AS THESE CARS AGE FOR THE WARNING CHIME TO FAIL THEREFORE NOT NOTIFYING OR WARNING IF THE DRIVER OR PASSENGER BELT IS BUCKLED. WARNING CHIME DOES NOT WORK WHETHER STATIONARY, OR MOVING FOR ANY SEAT IN THE VEHICLE.

70mo ago
Engine 2

AUDI ISSUED A TECHNICAL SERVICE BULLETIN THAT I FOUND ON YOUR WEBSITE. THIS BULLETIN WAS REGARDING THE EXACT PARTS THE DEALER (AUDI) IDENTIFIED AS BEING AFFECTED ON MY CAR (HIGH PRESSURE FUEL PUMP, CAM FOLLOWER, AND CORRESPONDING INTAKE CAMSHAFT CAM LOBE). THIS BULLETIN (NOT A RECALL, BUT DISTRIBUTED INTERNALLY TO DEALERSHIPS) CLEARLY STATES THAT THIS IS A WIDESPREAD ISSUE THAT AFFECTED ALL VIN RANGES OF SPECIFIED AUDI MODELS FROM 2005-2007 THAT INCLUDED MINE. AUDI EXTENDED DRIVETRAIN COVERAGE ON THESE VEHICLES TO 10YR/120K MI. THIS ISSUE CAUSES A WORSENING LOSS OF POWER UPON ACCELERATING (MAKING DRIVING AT ALL SPEEDS DANGEROUS) AND EVENTUAL ENGINE FAILURE IF LEFT ALONE. I AM THE 3RD OWNER OF THIS CAR, SO I DID NOT RECEIVE THE INTENDED LETTER FROM AUDI STATING THE SPECIFICS OF THIS COVERAGE EXTENSION. MY VEHICLE IS CURRENTLY AT ~110K MILES AT THE TIME OF THIS SERVICE (~4-5 DAYS AGO). UPON BRINGING THIS BULLETIN TO THE ATTENTION OF AUDI SERVICE MANAGER, HE DID NOT ASK ME FOR THE BULLETIN NUMBER OR REVISION, HE JUST DENIED COVERING IT VERBALLY SAYING THE COVERAGE WAS "10YR/120K MI, WHICHEVER CAME FIRST" BUT WOULD NOT SEND ME A COPY OF THE EXTENSION LETTER PROVING THIS. THE COST OF REPAIRS RELATED TO THIS ISSUE IS ~$5,600. I OPENED A CASE WITH AUDI OF AMERICA. I PROVIDED THE REQUESTED INFO, AND WAS STILL NOT SENT/EMAILED A COPY OF THIS LETTER, OR PROOF THAT IT WAS SENT TO THE OWNER OF THE VEHICLE. I WAS TOLD CASES TAKE UP TO A WEEK TO REVIEW (THEY WOULD NEED ME TO PROVIDE SERVICE RECORDS FOR THE VEHICLE, ETC). I WAS CALLED LESS THAN 24HRS LATER THAT THE CASE WAS DENIED, BEFORE I PROVIDED ANY INFO OR PLED MY CASE THAT A COMPANY WITH THE SLOGAN "TRUTH IN ENGINEERING" SHOULD STAND BEHIND AN ACKNOWLEDGED ENGINEERING FLAW. REPAIRS ARE ~1.5X THE VALUE OF THE CAR. I DON'T HAVE THE MONEY TO FIX THIS AND IT CREATES AN UNSAFE DRIVING CONDITION. PLEASE HELP.

71mo ago
Electrical 4

MY PERSONAL AUDI A4 WAS INVOLVED IN A FRONT END COLLISION ON AN INNER-CITY ROAD DUE TO LOSS OF FRICTION ON FROZEN ICE. DESPITE THERE ONLY BEING A DRIVER PRESENT IN THE CAR, THE DRIVER SIDE AIRBAG FROM THE STEERING WHEEL DID NOT ACTIVATE WHILE THE PASSENGER SIDE AIRBAG DID. I HAD ALREADY PREVIOUSLY CHECKED THE TAKATA RECALL, WHICH AFFECT THE EXACT MODEL OF MY VEHICLE, YET WHEN I ENTERED THE VIN, IT DISPLAYED THAT NO RECALLS WERE PRESENT. THE COLLISION HAPPENED AT A SPEED OF LESS THAN 25 MPH, AND THE UNNEEDED DAMAGE COSTS PF THE PASSENGER SIDE AIRBAGS ALONGSIDE THE HEALTH RISKS OF NOT HAVING AN AIRBAG DEPLOY FOR THE DRIVER HAS LED ME TO FILING THIS COMPLAINT AS IT WAS A VERY UNPLEASANT EXPERIENCE.

72mo ago
Electrical 2

LEFT HEAD LIGHT FLICKERS AND SHUTS ITSELF OFF AFTER VEHICLE IS DRIVEN AND THE LIGHTS HAVE BEEN ON FOR ABOUT 5 MINUTES. THE WARNING DISPLAY ON THE DASHBOARD GIVES A "LEFT HEADLIGHT LEVEL" ERROR CODE.

81mo ago
Body 2

I PURCHASED THE CAR FROM JOHN AND HE STATED HE DROVE IT APPX 30-40K MILES SINCE HE RECEIVED THE CAR. BUT IN 2016 THE MILES ON THE PINK SLIP SAYS 149214 AND NOW THE MILES ARE AT 150700. I BELIEVE HE TAMPERED WITH THE ODOMETER, TURNED IT OFF AND DROVE THE CAR WITHOUT THE ODOMETER ON. WHEN I ASKED HIM HE SAID IN THE LAST 3- 4 YEARS HE DROVE IT 30-40K MILES. I ASKED HIM WHY IS THE ODOMETER NOT SHOWING THOSE MILES AND HE DIDNT KNOW HOW TO REPLY.

82mo ago
Electrical 1

VEHICLE IS EQUIPPED WITH ADAPTIVE HEADLIGHTS. WHEN I TURN THE PASSENGER SIDE LOW BEAM GOES OUT.

90mo ago
Electrical 2

THE HEADLIGHTS WILL FLICKER ON AND OFF, AND HAVE TO BE MANUALLY TURNED OFF AND TURNED BACK ON. REPAIRS AND REPLACEMENTS OF LIGHTS DID NOT SOLVE THE PROBLEM. COMPLETE REMOVAL OF THE XENON BALLAST AND SEALING THE BALLAST SEEMED TO CORRECT THE PROBLEM, AND SEEMS TO BE A DEFECT IN THE MANUFACTURE OF THE BALLAST THAT CAUSES MOISTURE TO INVADE, AND SHORT THE HEADLIGHTS OUT.

92mo ago
Electrical 4

ON 7/15/18 I HAD A MYSTERIOUS ACCIDENT IN OTTAWA COUNTY, MICHIGAN, WHERE I WAS KNOCKED OUT FOR SEVERAL HOURS AND I HAVE NO RECOLLECTION OFF ANYTHING AT LEAST A FEW MINUTES BEFORE THE ACCIDENT. MY 2006 A6 QUATTRO 3.2 AVANT (STATION WAGON) WAS TOTALED BY THE INSURANCE COMPANY. THE COUNTY POLICE RESCUED ME AND SENT ME TO THE HOLLAND HOSPITAL FOR A SERIES OF VERY COSTLY PROCEDURES. THE POLICE REPORT WROTE THAT THE AIRBAG WAS DEPLOYED. AND BECAUSE IT WAS NOT IN A MAJOR INTERSECTION, A SIMPLE STOP SIGN AT THE US-31, FROM THE INFORMATION IN THE REPORT, I SUSPECT I HAD NOT FACED ANY IMPENDING CRASH TO HAVE HAD TO PUSH THE BREAKS HARD, AND MY VEHICLE ONLY STOPPED BECAUSE IT HIT A VALLEY SHAPED DITCH IN THE MIDDLE OF THE HIGHWAY. BECAUSE OF THE NUMBER OF RELATED TAKATA AIRBAG FAILURES ON THOSE TYPES OF CARS, BY THE, ON BOTH SIDES, I SUGGEST A THOUGHROUGH INVESTIGATION OF THE CASE. I WAS BLESSED OR LUCKY TO HAVE NOT LOST MY LIFE NOR BECAME SERIOUSLY INJURED, BUT MY FINANCIAL LOSSES AND LEGAL COMPLICATIONS AMOUNTED TO A LOT. I DON'T KNOW HOW MANY PEOPLE ARE AT RISK OF NOT HAVING THEIR LIVES END BECAUSE OF AN UNNECESSARY MECHANICAL FAILURE IN THE AUDI VEHICLES.

93mo ago
Electrical 2

TL* TAKATA RECALL. THE CONTACT OWNS A 2006 AUDI A4. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V032000 (AIR BAGS). THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT CALLED THE LOCAL DEALER (AUTHOHAUS LANCASTER, 1373 MANHEIM PIKE, LANCASTER, (717) 299-2801) AND WAS INFORMED THAT THE PARTS WERE NOT AVAILABLE AND THE WAIT TIME WAS SIX MONTHS. THE MANUFACTURER WAS NOT CONTACTED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

94mo ago
Transmission 2

CVT TRANSMISSION TOTAL FAILURE - TRANSMISSION SPECIALIST ADVISES THAT SEVERAL OF THE FIRST CVT TRANSMISSIONS RELEASED TO THE PUBLIC WERE DEFECTIVE IN DESIGN AND PRODUCTION, AND HAVE BEEN UPGRADED OVER THE YEARS TO CORRECT FOR THESE EARLY DEFICIENCIES. THE SPECIALIST FURTHER ADVISES THAT AUDI AND SATURN ARE NOTORIOUS FOR THESE DEFECTS. IN THIS PARTICULAR CASE, THE TRANSMISSION SUDDENLY STOPPED WORKING WHILE TRAVELING ON A MAJOR ROADWAY. ALL OF THE INDICATOR LIGHTS IN THE GEAR SELECTOR STARTED FLASHING SIMULTANEOUSLY, AND THE VEHICLE WAS LEFT IMMOBILE IN AN EXTREMELY DANGEROUS POSITION. AUDI QUOTED MORE THAN $8,000 TO REPAIR THE TRANSMISSION. THE TRANSMISSION REPAIR WAS COMPLETED BY A LOCAL TRANSMISSION EXPERT FOR A LITTLE OVER $5,000. IT IS THIS EXPERT WHO ADVISED OF THE LONG-STANDING AND WELL-ESTABLISHED PROBLEMS IN AUDI'S EARLY CVT TRANSMISSIONS, AND SAID DEFINITIVELY THAT AUDI SHOULD BE REQUIRED TO HANDLE THIS AS A SAFETY AND DESIGN/MANUAFACTURING DEFECT RECALL.

95mo ago
Electrical 1

CONTATING AUDI SHREWSBURY (508-581-5800) SINCE JANUARY 2018. TALKED TO EVAN AND AS OF TODAY THEY HAVE NOT ADVISE OF AN APPOINTMENT TO CHANGE THE TAKATA PASSENGER FRONTAL AIRBAG. ANYTIME I CALLED THEY ANSWER THAT HAVE NOT RECEIVED THE AIRBAG. 8 MONTHS????

95mo ago
Electrical 1

TL* TAKATA RECALL. THE CONTACT OWNS A 2006 AUDI A4. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 18V427000 (AIR BAGS); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (AUDI OF WALLINGFORD, 800 S COLONY RD, WALLINGFORD, CT 06492, (203) 294-9000) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE REMEDY RECALL. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

97mo ago
Electrical 2

TL* TAKATA RECALL. THE CONTACT OWNS A 2006 AUDI A4. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V032000 (AIR BAGS) AND STATED THAT THE PART WAS NOT AVAILABLE WITHIN A REASONABLE TIME FRAME TO SCHEDULE THE RECALL REPAIR. THE DEALER (AUDI GREENWICH, 181 WEST PUTNAM AVENUE, GREENWICH, CT 06830, (203) 661-1800) WAS UNABLE TO VERIFY WHEN THE PART WOULD BE SUPPLIED FROM THE MANUFACTURER. THE CONTACT WAS UNABLE TO DETERMINE WHEN THE VEHICLE WOULD BE REPAIRED. THE MANUFACTURER WAS CONTACTED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

98mo ago
Electrical 2

TL* TAKATA RECALL. THE CONTACT OWNS A 2006 AUDI A4. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V032000 (AIR BAGS); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (HOFFMAN AUDI OF EAST HARTFORD, 700 CONNECTICUT BLVD, EAST HARTFORD, CT 06108, (860) 525-3987) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURE WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

98mo ago
Electrical 1

THE RIGHT HEADLIGHT KEEPS FLICKERING. IT WILL TURN OFF SOMETIMES WHEN USING THE WINDSHIELD WIPERS, BUT OTHER THAN THAT, THE HEADLIGHT WORKS PERFECTLY FINE. WHEN IT FLICKERS, AN INDICATOR WARNING LIGHT ACTIVATES ON THE DASHBOARD. THIS SEEMS TO BE A WIRING PROBLEM. BOTH HEADLIGHTS WERE CHANGED AND BRAND NEW WHEN THE CAR WAS PURCHASED. TWO YEARS LATER, THIS FLICKERING BEGAN. THE ONLY WAY TO STOP THE FLICKERING OF THE HEADLIGHT IS TO COMPLETELY TURN OFF THE HEADLIGHTS FOR A FEW SECONDS, THEN TURN THEM BACK ON. EVERYTHING IS FINE AFTER THAT. PLEASE RECALL THIS ISSUE. I HAVE READ MANY POSTS ONLINE WITH OTHER AUDI A4 OWNERS HAVING THE SAME PROBLEM WITH THEIR VEHICLES.

98mo ago
Electrical 2

TL* TAKATA RECALL. THE CONTACT OWNS A 2006 AUDI A4. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V032000 (AIR BAGS); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. AUDI WESTWOOD IN WESTWOOD, MASSACHUSETTS WAS MADE AWARE OF THE RECALL AND STATED THAT THE PARTS WERE UNAVAILABLE. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT. *TT *JS

99mo ago
Electrical 1

TAKATA INFLATOR RECALL I HAVE CALLED AUDI OF WESTWOOD - PRIME MOTOR GROUP - IN WESTWOOD MA MANY TIMES OVE THE PAST YEAR TO GET AN APPOINTMENT. THEY SAY THEY WILL CALL BACK WHEN THEY GET THE PART. IT HAS BEEN MORE THAN A YEAR AND STILL NO REPAIR. I AM DRIVING AN UNSAFE CAR AND AUDI OF WESTWOOD DOES NOTHING. I WANT MY AIRBAG REPAIRED.

99mo ago
Body 2

THE DIGITAL DISPLAY ON THE DASHBOARD DOES NOT ILLUMINATE WHEN THE WEATHER IS WARM. AS SUCH ITEMS SUCH AS A MALFUNCTIONING BRAKE SYSTEM, ENGINE COOLANT LEVEL AND ENGINE OIL PRESSURE ALERTS CANNOT BE KNOWN.

99mo ago

296 total

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