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Audi A6 Avant 2004

The 2004 Audi A6 Avant has a 3.0 L engine. It gets 19 MPG combined (16 city, 23 highway), per the EPA. 4 recall campaigns and 35 owner complaints are on record.

Midsize Station Wagons AWD
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Audi A6
Representative photo of the A6. It may show a different year or version. Photo: Alexander-93 · CC BY-SA 4.0 · Wikimedia Commons · resized and cropped

Specs

Engine
3,000 cc
6
Cylinders6
TransmissionAutomatic · 5 speeds
DrivetrainAWD
Body styleMidsize Station Wagons

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Safety

Crash-test results across markets. They can vary by version and equipment.

NHTSA NCAP
Results · 2004 Audi A6Avant 4-DR. w/SAB
🇺🇸 Local data

Fuel economy (MPG)

🇺🇸 Local data
City
16 MPG
Highway
23 MPG
Combined
19 MPG
Emissions
291 g/km
COâ‚‚

Recalls

4 campaigns🇺🇸 Local dataNHTSA
FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY 11V267000 · 2011-05-03 · NHTSA
Consequence · Remedy

A FUEL LEAK IN THE PRESENCE OF AN IGNITION SOURCE COULD LEAD TO A VEHICLE FIRE.

DEALERS WILL REINFORCE THE NIPPLE ON THE ROLLOVER VALVE TO PREVENT LEAKAGE OR REPAIR THE CRACKING AT THE NIPPLE. THE RECALL IS EXPECTED TO BEGIN DURING JUNE 2011. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY 08V157000 · 2008-04-08 · NHTSA
Consequence · Remedy

A FUEL LEAK IN THE PRESENCE OF AN IGNITION SOURCE COULD LEAD TO A VEHICLE FIRE.

DEALERS WILL REINFORCE THE NIPPLE ON THE ROLLOVER VALVE TO PREVENT LEAKAGE OR REPAIR THE CRACKING AT THE NIPPLE. THE RECALL BEGAN ON JUNE 27, 2008. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

ELECTRICAL SYSTEM 06V198000 · 2006-06-05 · NHTSA
Consequence · Remedy

THIS CONDITION COULD LEAD TO OVERHEATING OR FIRE.

DEALERS WILL REROUTE THE WIRING HARNESS BY INSTALLING A JUMPER WIRING HARNESS. THE RECALL BEGAN ON DECEMBER 16, 2006. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

ELECTRICAL SYSTEM 04V133000 · 2004-03-18 · NHTSA
Consequence · Remedy

A FIRE COULD ORIGINATE IN THE LEFT DASHBOARD AREA.

DEALERS WILL INSTALL A PROTECTIVE COVERING ON THE KNEE BOLSTER (CRASH ELEMENT). IN ADDITION, THE WIRING HARNESS AS WELL AS THE FELT PROTECTOR ON THE LEFT SIDE OF THE DASHBOARD CARRIER WILL BE CHECKED, AND REPLACED IF NECESSARY. THE RECALL BEGAN ON JULY 26, 2004. OWNERS SHOULD CONTACT AUDI AT 1-800-822-2834.

3 campaigns🇨🇦 CA dataTransport Canada

It may not apply to vehicles sold in your country. Check with your VIN at the source.

Fuel System 2011171 · 2011-04-27 · Transport Canada
Details

On certain vehicles, aging of the plastic material in the fuel tank rollover valve, combined with bending stress from the aluminium ventilation line to the rollover valve nipple, may lead to cracking of the nipple. If this happens, a fuel leak may result. Fuel leakage, in the presence of an ignition source, could result in a vehicle fire. Correction: Dealers will reinforce the rollover valve nipple.

Fuel System 2008116 · 2008-04-04 · Transport Canada
Details

On certain Audi A6 Quattro and Allroad Quattro, aging of the plastic material in the fuel tank rollover valve, combined with bending stress from the aluminium ventilation line to the rollover valve nipple, may lead to cracking of the nipple. If this happens, a fuel leak may result. Fuel leakage in the presence of an ignition source could result in a vehicle fire. Correction: Dealers will reinforce the rollover valve nipple.

Electrical 2004095 · 2004-03-16 · Transport Canada
Details

On certain Audi S6, A6 and A6 Allroad Quattro, contact between the left driver's side crash element and the headlight switch wiring harness could eventually result in an electrical short. Even though such an electrical short is not very likely, it could result, in a worst-case scenario, in a fire originating in the left dashboard area. Correction: Dealer will install a protective covering on the crash element and inspect the wiring harness for damage.

Common problems

35 reports🇺🇸 Local data

Reported by owners to the source below. It is not a verdict on this car: it is what people wrote.

SERVICE BRAKES,FORWARD COLLISION AVOIDANCE 2023-12-12 · NHTSA

- ABS Module has intermittent failures, available for inspection - Anti-lock brakes will not work - Yes, the problem reoccurs and the module loses power and then errors out - Others - VCDS - ABS lights come on and BRAKE light stays illuminated

FUEL/PROPULSION SYSTEM 2018-12-09 · NHTSA

RE: SAFETY RECALL 20L8/JY; 08V157000: FUEL TANK ROLLOVER VALVE MODIFICATION; VIN: (XX); 2004 AUDI A6 3.0L QUATTRO AT5 ATTACHED DOCS: 1. 20L8/JY RECALL NOTICE. 2. 7.14.2008 & 11.18.18 AUDI N. SCOTTSDALE, AZ DEALER INVOICES 3. AUDI A6 GAS TANK DIAGRAM. AUDI CORP EMAIL RESPONSE: "AT THIS TIME WE HAVE IDENTIFIE…

ELECTRICAL SYSTEM 2017-07-25 · NHTSA

AFTERMARKET RADIO: PIONEER ELECTRONICS AVH-4100 NEX BACKUP CAMERA FAILS AND DISTRACTS DRIVER SIGNIFICANTLY. I HAVE ATTACHED A SCAN OF THE COMPLAINT TO PIONEER ELECTRONICS. THE RADIO LIKELY HAS SOFTWARE DEFECT THAT CAUSES VERY DISTRACTING FAILURES WHEN OPERATING THE BACK-UP CAMERA. PIONEER ADVERTISES THAT THIS BACK…

FUEL/PROPULSION SYSTEM 2016-01-11 · NHTSA

WHEN ENGINE IS COLD, USUALLY BELOW 0 DEGREES FUEL SPRAYS FROM INJECTORS. THIS COULD IGNITE ON EXHAUST MANIFOLDS CAUSING CAR FIRE.

ENGINE Fire 2015-06-08 · NHTSA

TL* THE CONTACT OWNED A 2004 AUDI A6. WHILE DRIVING AT 20 MPH, SMOKE APPEARED FROM THE ENGINE COMPARTMENT AND THE VEHICLE CAUGHT FIRE. A POLICE REPORT WAS FILED AND THERE WERE NO INJURIES REPORTED. THE VEHICLE WAS DESTROYED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 06V198000 (ELECTRICAL SYSTEM). THE MANU…

ELECTRONIC STABILITY CONTROL (ESC),SERVICE BRAKES 2015-02-12 · NHTSA

WITH THE ELEC STABILITY CONTROL BEING INTERMITTENT THIS IS BEING CAUSED BY THE ABS MODULE GOING BAD/INTERMITTENT THE BRAKE PEDAL PRESSURE CHANGES. I HAVE EXPERIENCED THIS WITH MY 2002 RAM 1500 (4X4) AS WELL. THIS COULD BE A PROBLEM IN ALL CARS AND TRUCKS. THE COST THE FIX FOR AN AUDI IS AROUND $2500.00 AND MY RAM WAS…

FUEL/PROPULSION SYSTEM 2015-01-27 · NHTSA

TL*THE CONTACT OWNS A 2004 AUDI A6. THE CONTACT STATED THAT WHILE STARTING THE VEHICLE, A STRONG ODOR OF GASOLINE EMITTED INSIDE AND AROUND THE VEHICLE. THE CONTACT MENTIONED THAT THE CHECK ENGINE LIGHT ILLUMINATED. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS TAKEN TO THE DEALER, WHERE IT WAS DIAGNOSED THAT TH…

VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) 2014-11-12 · NHTSA

THE FIRST THROTTLE VALVE MALFUNCTION HAPPENED ON JULY 2013. COST TO REPAIR 1557.95 PART COST 878.00 MILEAGE 66784 THE SECOND MALFUNCTION HAPPENED ON OCT. 14, 2014 TO REPAIR 1200.00 PART COST 913.00, MILEAGE 69202 WHAT HAPPENS HERE IS THE ENGINE SHUTS DOWN. THERE COULD HAVE BEEN E MAJOR ACCIDENT IF SHE WA…

FUEL SYSTEM, GASOLINE,EQUIPMENT 2013-12-10 · NHTSA

SIGNIFICANT GAS LEAK CAUSED BY BROKEN GAS "IN TANK SENDING UNITS" HOUSING AND SEAL. GAS WILL LEAK AND FILL THE INSIDE OF THE CAR WITH FUMS AS WELL AS UNDER THE CAR. REPLACEMENT REQUIRED BUYING A REVISED DESIGN SENDING UNITS THAT INCLUDE ALL THREE SENDING UNITS. THE PRICE IS HIGH ~$500 AND THE CONSEQUENCES VERY DANGER…

ELECTRICAL SYSTEM Fire 2012-05-22 · NHTSA

TL* THE CONTACT OWNS A 2004 AUDI A6. THE CONTACT STATED THAT WHILE DRIVING 65 MPH, THAT THERE WAS A FAILURE IN THE ELECTRIC HARNESS UNDER THE PASSENGER SEAT. THE CONTACT STATED THAT HE NOTICED A BURNING ODOR AND THEN THE POWER FAILED TO MOVE THE SEAT. UPON FURTHER REVIEW, THE CONTACT DISCOVERED THAT THE CARPET UNDER T…

ENGINE AND ENGINE COOLING 2012-02-14 · NHTSA

REPLACED CYLINDER BANK 1 RIGHT SIDE! *TR

EXTERIOR LIGHTING 2011-09-10 · NHTSA

PASSENGER SIDE MECHANICAL VERTICAL ADJUSTER DOES NOT FUNCTION IS LAMP POINT TO ABOUT 10 FEET TO THE FRONT OF THE VEHICLE. DIVER SIDE ADJUSTER APPEAR TO FUNCTION OK. ONLINE BLOGS CONFER MULTIPLE PROBLEMS WITH AUDI HEADLIGHT ADJUSTERS AS COMMON, RECURRENT, AND COSTLY TO FIX. DRIVING WITH POORLY AIMED LIGHTS IS OBVIOUSL…

All 35 reports, grouped by component

Questions

What engine does the 2004 Audi A6 Avant have?
The 2004 Audi A6 Avant has a 3.0 L engine.
What is the fuel economy of the 2004 Audi A6 Avant?
It gets 19 MPG combined (16 city, 23 highway), per the EPA.
Does the 2004 Audi A6 Avant have recalls?
4 recall campaigns are on record. The latest concerns Fuel System, Other (2011-05-03).
What are the common problems of the 2004 Audi A6 Avant?
35 owners have filed complaints, most often about Fuel System, Gasoline.

Other years

Which Audi A6 Avant year to buy? Recalls and complaints by year

Other models by Audi

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