Common 2016-2021 Audi A4 Problems

Some of the worst issues 5th generation A4 owners have to deal with.

  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…

    Continue reading article "Busted Timing Chains" View of engine timing chain
  2. Start-Stop Defects

    There are multiple problems with Audi's start-stop technology that outweigh the modest fuel efficiency gains. Owners complain that the system will shut off the power steering and brake systems at dangerous times and cause the accelerat The …

    Continue reading article "Start-Stop Defects" A tachometer with the red arrow pointing at the 'ready' position

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 the Most

Years to Avoid

5th Generation (2016–2021) A4 Key Numbers

  1. 6 model years

    Grouping all models by their year can reveal some baddies.

  2. 12 complaints

    Running tally of owner grievances filed to CarComplaints.com.

  3. 20th in reliability

    Overall reliability rank out of 39 eligible generations.

Recent 5th Generation (2016–2021) 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.

  1. Audi coolant pumps have been recalled (twice!) but their replacements aren’t ready yet.

    So what’s an owner who can’t drive their car supposed to do? Wait, apparently.

    A new lawsuit wants Audi to at least pony up for free loaner vehicles. Heck, I’m guessing some owners would even take an actual pony. Anything to get to work without starting a fire!…

    keep reading article "Audi Owners Are Tired of Waiting for their Replacement Coolant Pumps"