The Worst 2005-2011 A6 Problems

  1. Busted Timing Chains

    Audi's EA888 2.0-liter engine has a history of tensioner problems in its timing chain. The loose chain is to blame for multiple occurances of catastrophic engine failure. Audi was forced to offer settlement offers, including an extended war…

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  2. What Are We Missing?

    We know there's more problems than this. Let us know which one you'd like to see us cover next.

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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.

Worst Topics

Worst Years

3rd Generation A6 Key Numbers

  1. 7 model years

    Grouping all models by their year can reveal some baddies.

  2. 23 complaints

    Running tally of owner grievances filed to CarComplaints.com.

  3. 28th in reliability

    Overall reliability rank out of 39 eligible generations.