2020 Audi A4 Problems, Complaints & Recalls
- Compared with other A4 years
- Far more complaints than other years 11th of 31 for complaints
- Safety recalls
- 3 recalls: check your VIN
- NHTSA crash rating
- 5 out of 5 stars
Owners have filed 128 complaints with NHTSA about the 2020 Audi A4. That ranks 11th out of 31 A4 model years for complaints. The most reported problem area is electrical system (91 complaints, 71%), typically at around 54,000 miles. Complaints mention 1 crash. There are 3 safety recalls covering this model year.

- 128owner complaints
- 3safety recalls
- 0NHTSA investigations
- 1complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2020 Audi A4 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Electrical System problems | 91 | 71% | 54,000 | “backup camera” (37%) | — |
| Unknown or Other | 58 | 45% | — | — | — |
| Back Over Prevention | 43 | 34% | — | — | — |
| Forward Collision Avoidance | 9 | 7% | — | — | — |
| Lane Departure | 6 | 5% | — | — | — |
| Communication | 2 | 2% | 40,000 | — | — |
| Suspension | 2 | 2% | 12,000 | — | — |
| Exterior Lighting | 1 | 1% | — | — | — |
| Seat Belts | 1 | 1% | — | — | — |
| Seats | 1 | 1% | — | — | — |
| Service Brakes | 1 | 1% | — | — | — |
| Visibility/wiper | 1 | 1% | — | — | — |
| Wheels | 1 | 1% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2020 Audi A4 recalls (3)
Tap a recall to see the problem, the risk and the fix.
Tires; suspension:rear:axle:non-powered axle assembly
Problem: 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.
Risk: Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
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.
Air bags:sensor:occupant classification:front passenger; seats
Problem: 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.
Risk: A disabled passenger air bag increases the risk of injury in the event of a crash.
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.
Suspension:rear:axle:non-powered axle assembly
Problem: 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.
Risk: A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
Date: [XXX] Time: Approximately [XXX] Location: Street in front of [XXX]. At approximately [XXX], my wife was seated and properly belted in the front passenger seat of our 2020 Audi A4. The vehicle was completely stationary and parked on the street, between a parked car in front of us and a garbage…
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…
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…
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…
A metal bracket on the back left side of the driver seat snapped suddenly while driving straight and at a constant speed. Since this part is broken the seat is no longer connected to the track in that corner. The car is drivable for me because I am tall and sit with the seat at its lowest height…
Other Audi A4 years
| Year | Complaints | Recalls |
|---|---|---|
| 2025 A4 | 1 | 0 |
| 2024 A4 | 2 | 0 |
| 2023 A4 | 10 | 0 |
| 2022 A4 | 6 | 3 |
| 2021 A4 | 11 | 4 |
| 2020 | 128 | 3 |
| 2019 A4 | 10 | 1 |
| 2018 A4 | 44 | 1 |
| 2017 A4 | 55 | 1 |
| 2016 A4 | 11 | 0 |
| 2015 A4 | 19 | 0 |
| 2014 A4 | 32 | 0 |
| 2013 A4 | 24 | 0 |
| 2012 A4 | 19 | 0 |
| 2011 A4 | 11 | 0 |
| 2010 A4 | 64 | 0 |
| 2009 A4 | 120 | 2 |
| 2008 A4 | 175 | 4 |
| 2007 A4 | 196 | 3 |
| 2006 A4 | 295 | 3 |
| 2005 A4 | 219 | 3 |
| 2004 A4 | 189 | 2 |
| 2003 A4 | 210 | 3 |
| 2002 A4 | 181 | 1 |
| 2001 A4 | 131 | 1 |
| 2000 A4 | 96 | 2 |
| 1999 A4 | 190 | 4 |
| 1998 A4 | 258 | 4 |
| 1997 A4 | 98 | 6 |
| 1996 A4 | 89 | 4 |
| 1995 A4 | 1 | 1 |
See all Audi A4 problems by year, every Audi model, or the Audi VIN decoder.
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Frequently asked questions
What are the most common problems with the 2020 Audi A4?
Owners most often report electrical system, unknown or other, back over prevention problems. The top one, electrical system, accounts for 91 complaints.
Was there a recall on the 2020 Audi A4?
Yes, 3 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2020 Audi A4 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other A4 model years, the 2020 has far more complaints than most years, and NHTSA rates it 5 out of 5 stars overall in crash tests. Always get a pre-purchase inspection and check the VIN for open recalls.