3 Common Audi S4 Problems

A list of some of the most common issues S4 owners have to deal with.

  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).

    Continue reading article "Takata Recalls" Test dummy getting hit by Takata airbag
  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
  3. DSG Transmission Shifting

    Audi's DSG transmissions have multiple problems resulting in violent shaking as it shifts between gears. A class-action lawsuit says the problem is expecially prevelant while accelerating or slowing down through 2nd, 3rd, and 4th gear. Audi…

    Continue reading article "DSG Transmission Shifting" An three-quarters front view of a VW gearbox"

What S4 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

S4 Generations

The S4 has 6 generations, each with their own issues. Using the same PainRank™ system we've determined that you're better off avoiding the 5th generation (2009–2017).

S4 Key Numbers

  1. 39 complaints

    Running tally of owner grievances filed to CarComplaints.com.

  2. 882 service bulletins

    Documenting the process of troubleshooting common problems.

  3. 9 recall campaigns

    Time-sensitive, free repairs for widespread safety problems.

S4 Class-Action Lawsuits

The S4 has been named as a class vehicle in the following lawsuits.

  • Dusanjh v. Audi AG, et al.

    1. Case Filed

      The Audi Start-Stop system allegedly requires expensive repairs, car rentals, towing charges, time off work and other costs, while customers allegedly lose money as the vehicles lose their values.

    Start-Stop Defects
    Class Vehicles
    • 2017-2020 A3
    • 2017-2020 A4
    • 2017-2020 A5
    • 2017-2020 A6
    • 2017-2020 A7
    • 2017-2020 A8
    • 2017-2020 S3
    • 2017-2020 S4
    • 2017-2020 S6
    • 2017-2020 S8
    • 2017-2020 Q5
    • 2017-2020 Q7
    • 2017-2020 Q8
    • 2017-2020 SQ5
    • 2017-2020 TT
    • 2017-2020 TTS
    British Columbia
  • Anzhelya Makaryan, et. al., v. Volkswagen Group of America, Inc

    1. Case Filed

      An Audi timing chain lawsuit alleges Audi and Volkswagen vehicles have defects that cause the timing chains to suddenly fail without warning, causing the engines to fail.

    2. Dismissed

      The case was voluntarily dismissed in November 2017 after a motion to dismiss by Audi was filed earlier that same month.

    Start-Stop Defects
    Class Vehicles
    • 2013-2017 A3
    • 2013-2017 A4
    • 2013-2017 A5
    • 2013-2017 A6
    • 2013-2017 A7
    • 2013-2017 A8
    • 2013-2017 S3
    • 2013-2017 S4
    • 2013-2017 S5
    • 2013-2017 S6
    • 2013-2017 S7
    • 2013-2017 S8
    • 2013-2017 RS 5
    • 2013-2017 RS 7
    • 2013-2017 allroad
    • 2013-2017 Q3
    • 2013-2017 Q5
    • 2013-2017 Q7
    • 2013-2017 SQ5
    • 2013-2017 TT
    • 2013-2017 TTS
    • 2013-2017 TT RS
    • 2013-2017 R8

Recent S4 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. Another Audi start-stop lawsuit has been dismissed

    after the judge ruled that the owner's manual clearly states the Start-Stop system may turn off the engine before the car comes to a complete stop. Is that all it takes to win in court? Be prepared for your next owner's manual to say "cars might catch on fire due to thermodynamics" just to cover all the bases.…

    keep reading article "A Judge Just Ruled That Audi's Start-System Operates As Intended"
  2. The lead plaintiff in Anzhelya Makaryan, et. al., v. Volkswagen Group of America, Inc. says a design defect in Audi's start-stop system allows vehicles to rollaway.

    The rollaways happen because the start-stop system won't deactivate if the driver takes off their seat belt for any reason while the vehicle is stopped.

    To make matters worse if that the system won't work even if the driver re-buckled their seat belts.

    keep reading article "Does Audi's Start-Stop Technology Allow Vehicles to Accidentally Roll Away?"
  3. Step aside, diesel owners – a new class-action lawsuit with up to 100 plaintiffs says Audi also installed "defeat devices" on gas engines to mask CO2 emissions.

    The lawsuit says illegal CO2 defeat devices were installed on Audi vehicles equipped with 8HP55 “AL 551” and DL 501-7Q “DL 501” transmissions, with the AL 551 transmissions manufactured by ZF Friedrichshafen.…

    keep reading article "Again? Lawsuit Says Audi Installed Defeat Devices on Gas Engines Too"

See All S4 News