2020 Audi A4 problems and complaints

Owners have filed 127 complaints with NHTSA about the 2020 Audi A4. The most-reported areas: Electrical System (91), Unknown Or Other (58), Back Over Prevention (43).

Key takeaways

  • 127 owner complaints on file with NHTSA.
  • 1 involve a crash, 0 a fire, 0 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Electrical System9172%
Unknown Or Other5846%
Back Over Prevention4334%
Forward Collision Avoidance97%
Lane Departure65%
Communication22%
Suspension22%
Seats11%
Wheels11%
Service Brakes11%
Visibility/Wiper11%
Exterior Lighting11%

One complaint can name several components, so shares add up to more than 100%.

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2020 Audi A4 4 DR AWD5/54/55/55/5
2020 Audi A4 4 DR FWD5/54/55/55/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Electrical System - filed 2026-08-12

My 2020 Audi A4 has an open safety recall campaign. Audi Corporate and my local dealership are formally refusing to perform the recall remedy unless I pay over $2,000 out-of-pocket to replace a broken J949 SOS Telematics Module. The manufacturer claims the module is separate from the recall, but its total failure physi...

Electrical System,communication - filed 2026-08-11

The contact owns a 2020 Audi A4. The contact stated that while driving at an undisclosed speed, the message SOS module no longer connected was displayed on the instrument panel, and the vehicle failed to shut off. The contact believed that the failure was a safety issue due to the loss of communication, including the h...

Communication - filed 2026-08-10

The contact owns a 2020 Audi A4. The contact stated that the emergency-call/communication system was inoperable. The vehicle was taken to the local dealer to be repaired under TSB: 91-20-29; however, the software update was unsuccessful due to the module. The dealer informed the contact that the module needed to be rep...

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More for the 2020 Audi A4

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.