The Worst 2012-2018 A6 Problems

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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Cheating Diesel Emissions

Audi was caught cheating on its diesel emissions with defeat devices. Twice. It started with the widespread dieselgate story for 2.0L 4-cylinder engines and was followed with a lesser known cheat for vehicles with the ZF 8-speed transmiss

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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.

4th Generation A6 in the News

By the Numbers

  1. 5 model years

    Grouping all models by their year can reveal some baddies.

  2. 20 complaints

    Running tally of owner grievances filed to CarComplaints.com.

  3. 34th in reliability

    Overall reliability rank out of 39 eligible generations.