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.
2021 Audi A4 AllroadProblems, recalls & complaints
NHTSA has logged 2 owner complaints about the 2021 Audi A4 Allroad, most often about the forward collision avoidance. It is covered by 1 safety recall, and for recall 22V-034 the manufacturer reports only 97% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 20, 2026. Updated daily. Photo: Charles from Port Chester, New York, CC0.
Complaints by system
Where the 2021 Audi A4 Allroad has problems
2 complaints grouped by the system owners reported.
1Forward collision avoidance
1Power train
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Forward collision avoidance | 1 | 0 |
| Power train | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
1 recall
2021 Audi A4 Allroad 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.
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
2021 vs. every other A4 Allroad 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 Allroad median. How we score
'13'14'15'16'17'18'19'20'21'22'23'24
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2021 Audi A4 Allroad safety ratings
2021 Audi A4 allroad SW AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
- Stability control: Standard
- Forward collision warning: Standard
- Lane departure warning: Standard
In owners' words
What A4 Allroad owners report
Recent forward collision avoidance complaints filed with NHTSA, shortened. Personal details are removed.
On several occasions while vehicle was stationary at a stoplight or moving very slowly the emergency braking system deployed, with seat belt tensioner activated and brakes applied with characteristic thunk sound. I could discern no threat at the time, but other cars were nearby. Recently, though,…
Own a 2021 A4 Allroad?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.