2005 Audi A4

Photo: M 93 / CC BY-SA 3.0 / Wikimedia Commons

2005 Audi A4: common problems and reliability

· 2004-2008

One of the worst A4 years.

One of the Audi A4 years to avoid. All A4 years

481 owner complaints, most about exterior lighting. 4 recalls.

Should I buy a 2005 A4?

The 2005 Audi A4 has 481 owner-filed NHTSA complaints and 4 recalls on record. The most-reported areas are exterior lighting and air bags. Owners most often flag valve cover gasket leaks.

Safety record for the 2005 model year

481
Owner complaints
4
Recalls
16
Crash reports
6
Fire reports

Source: NHTSA complaints and recalls filed for 2005 Audi A4 vehicles (US, public record).

The Year Score compares this year with other A4 years only. How we score it

Is 2005 a good year for the A4?

Across the 28 A4 model years we track, complaint volume runs from 1 (2023) to 673 (2007). With 481 complaints, the 2005 A4 sits above the model's median of 110.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

exterior lighting
235
air bags
112
electrical system
53
power train
33
engine
21

Recalls affecting the 2005 A4

air bags:frontal:passenger side:inflator module

Campaign 18V427000

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.

air bags:frontal:passenger side:inflator module

Campaign 17V032000

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.

air bags:frontal:passenger side:inflator module

Campaign 16V382000

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.

engine and engine cooling:engine

Campaign 14E007000

The Gates Corporation (Gates) is recalling certain aftermarket Tru-Flow Water Pumps, part number TFW 41127, sold at certain NAPA Auto Parts and/or installed by automotive service technicians after November 1, 2013 (and manufactured August 2013 through October 2013) that have a black-colored pulley/sprocket or do not have 'US9377' stamped on the water pump housing. These service replacement parts were sold for use in model year 1999-2005 Audi A4, 2000-2006 Audi TT, 1998-2005 Volkswagen Beetle, 1999-2006 Golf, 1999-2008 and 2011-2013 Volkswagen Jetta, and 2000-2005 Volkswagen Passat. In the affected water pumps, the pulley or sprocket that turns the timing belt may develop microfractures causing the timing belt to fail.

What owners report on the 2004-2008 A4

Sentiment is sharply divided. Many owners praise the 2004-2008 A4 as a rewarding, solidly built car with a premium interior and engaging driving dynamics, particularly the 1.8T and 3.0 V6 models.

  • RecurrentValve cover gasket leaks
  • RecurrentTiming belt/water pump failure risk (if not replaced on schedule)
  • RecurrentOil consumption (especially on later engines in the generation)
  • RecurrentElectrical gremlins (sensors, ignition coils, window regulators)
  • RecurrentSuspension component wear (bushings, control arms)

Owner insights for the 2004-2008 A4. Read the full 2004-2008 owner report.

Typical used price

Used A4 listings typically run $12,444–$21,675 across 2007 to 2024 model years.

Other A4 model years

Compare every A4 year side by side to see how 2005 ranks against the rest.

Compare the A4 against its rivals

Looking at a specific car?

We're building a full check by VIN: the exact trim and engine, its known problems and recalls, what to inspect, a fair price, and how it compares with its rivals. Get an email when it's ready.

One email when it launches. Unsubscribe any time. Privacy