repaired · 2023 Q4
Axle: non-powered axle assembly
Risk. Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
2020 Audi A4Problems, recalls & complaints
NHTSA has logged 128 owner complaints about the 2020 Audi A4, most often about the electrical system. It is covered by 3 safety recalls, and for recall 21V-874 the manufacturer reports only 77% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 5, 2026. Updated daily. Photo: Kevauto, CC BY-SA 4.0.
Complaints by system
Where the 2020 Audi A4 has problems
128 complaints grouped by the system owners reported.
91Electrical system
43Back over prevention
9Forward collision avoidance
6Lane departure
2Suspension
2Communication
1Wheels
1Exterior lighting
1Seat belts
33 other systems
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 91 | 0 |
| Back over prevention | 43 | 0 |
| Forward collision avoidance | 9 | 0 |
| Lane departure | 6 | 0 |
| Suspension | 2 | 1 |
| Communication | 2 | 0 |
| Wheels | 1 | 0 |
| Exterior lighting | 1 | 0 |
| Seat belts | 1 | 0 |
| 3 other systems | 3 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
3 recalls
2020 Audi A4 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q4
Occupant classification: front passenger
Risk. A disabled passenger air bag increases the risk of injury in the event of a crash.
repaired · 2023 Q1
Axle: non-powered axle assembly
Risk. A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Audi.
Best & worst years
2020 vs. every other A4 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the A4 median. How we score
'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2020 Audi A4 safety ratings
2020 Audi A4 4 DR AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
★★★★★
Frontal crash★★★★★
Side barrier★★★★★
Side pole★★★★★
- Rollover: 5 stars (9.9% risk)
- Stability control: Standard
- Forward collision warning: Standard
- Lane departure warning: Optional
In owners' words
What A4 owners report
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
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…
MMI module keeps resetting. This causes sudden lost of navigation display and sudden lost of backup camera when reset happens while backing up. Release version: MHI3_US_AUG45S_P3243 Software version: 3243
Own a 2020 A4?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.