2020 Audi A4: problems, recalls and what it’s worth

Known problems on the 2020 Audi A4

No generation-wide weak spot is flagged in GarageIntel’s research for this year and model. A specific car can still have its own problems, so get it inspected.

2020 Audi A4 recalls

NHTSA lists 3 recall campaigns for the 2020 Audi A4. Repairs are free at a dealer for the brand, and a dealer can confirm by VIN which were already done.

• Tires & wheels

  Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.

  Details 22V034000

  Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6 Sedan, S7, S8, SQ5, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not have been inspected after the repairs for Recall 21V-295 (42L1) were performed.

  Fix: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L5.

• Suspension

  A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.

  Details 21V295000

  Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5 Cabriolet, A5 coupe, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.

  Fix: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L1.

• Seats

  A disabled passenger air bag increases the risk of injury in the event of a crash.

  Details 21V874000

  Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.

  Fix: Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547 (74D9). Vehicles previously repaired under 19V-547 will need to return for the new remedy.

2020 Audi A4 safety investigations and free repairs

No open safety investigations.

Free repairs to ask about (warranty extensions):

• Warranty extension: Updated work instructions: Clarified instructions if green emergency call LED is not illuminated before the software update Added reference to a TSB if there are issues with the emergency call system after the software update
• Screen and audio: Some customers have reported unexpected reboots of the infotainment system.
• Camera: Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction of the AEB system’s control unit, camera(s), LIDAR, and/or sensor(s) which enable automatic emergency braking functionality.
• Heat and A/C: This Document informs dealers on the new A/C evaporator warranty extension for 2017-2021 A4/S4/Q7 and 2018-2021 A5/S5/Q5 vehicles

A dealer for the brand can check these by VIN.

Source: NHTSA, Sep 24, 2026.

2020 Audi A4 safety and fuel

From NHTSA’s crash tests and the EPA’s fueleconomy.gov.

What owners complain about

127 complaints filed with NHTSA for this year and model, about average.

Other Audi A4 years

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2021 2022 2024