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2019 Audi S4Problems, recalls & complaints

NHTSA has logged 2 owner complaints about the 2019 Audi S4, most often about the engine. It is covered by 1 safety recall, and for recall 21V-874 the manufacturer reports only 77% of affected cars repaired.

2019 Audi S4
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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls1Lowest repair rate 77%Owner complaints20 with a crash, fire or injuryTop problem1Engine

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 6, 2025. Updated daily. Photo: IFCAR, Public domain.

Complaints by system

Where the 2019 Audi S4 has problems

2 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine10
Lane departure10
Service brakes10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

1 recall

2019 Audi S4 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.

77%repaired · 2023 Q4

Occupant classification: front passenger

Recall 21V-874 · Nov 10, 2021 · 208,332 vehicles · 160,880 repaired

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

Problem, fix and repair progress →

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

2019 vs. every other S4 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 S4 median. How we score

'89'90'91'92'93'94'95'96'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'18'19'20'21'22
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2019 Audi S4 safety ratings

2019 Audi S4 4 DR AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

  • Rollover: 5 stars (9.9% risk)
  • Stability control: Standard
  • Forward collision warning: Standard
  • Lane departure warning: Optional
In owners' words

What S4 owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

I don't know because dealer will not allow me to inspect engine or send me a response to what caused failure. Seems by the sounds coming from the top end of the motor most likely cause is that rocker arm (or possibly a valve train)component failed, noise coming from top end. Of course the failure…
Complaint 11646713 · Mar 6, 2025

Own a 2019 S4?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.