The Worst 2001-2004 A4 Problems

  1. Takata Recalls

    A large number of Audi vehicles have been recalled because they contain dangerous airbag inflators made by Takata. The shrapnel-hurling inflators have been recalled in over 37 million vehicles (and counting).

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  2. Turbocharged Oil Sludge

    From 1997-2005, Audi 1.8-liter turbocharged engines came with a tiny 3.7 quart oil capacity. That’s simply not a lot of oil to cool down this hot engine. In 2004, following numerous sludge complaints, Audi extended the warranty on some of…

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What Owners Complain About

Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.

What Breaks

Years to Avoid

2nd Generation A4 Key Numbers

  1. 4 model years

    Grouping all models by their year can reveal some baddies.

  2. 38 complaints

    Running tally of owner grievances filed to CarComplaints.com.

  3. 38th in reliability

    Overall reliability rank out of 39 eligible generations.

Recent 2nd Generation A4 News

There's a lot of news out there, but not all of it matters. We try to boil down it to the most important bits about things that actually help you with your car problem. Interested in getting these stories in an email? Signup for free email alerts over at CarComplaints.com.