2019 Audi S4 Problems, Complaints & Recalls

Source: NHTSA · Updated Mar 6, 2025 · 2 owner complaints analyzed

Compared with other S4 years
Not enough data 16th of 23 for complaints
NHTSA crash rating
Not rated

Owners have filed 2 complaints with NHTSA about the 2019 Audi S4. That ranks 16th out of 23 S4 model years for complaints. The most reported problem area is engine (1 complaints, 50%). There is 1 safety recall covering this model year.

Audi S4
Audi_S4_(B9)_FL in Stuttgart-Vaihingen. Representative photo; appearance varies by model year. Photo: Alexander Migl, CC BY-SA 4.0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2019 Audi S4 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Engine1
Lane Departure1 · ~19,800 mi
Service Brakes1 · ~19,800 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Engine150%———
Lane Departure150%19,800——
Service Brakes150%19,800——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2021, with 1 complaints
2021: 1202112025: 120251

n = 2 complaints · Source: NHTSA

2019 Audi S4 recalls (1)

Tap a recall to see the problem, the risk and the fix.

Air bags:sensor:occupant classification:front passenger; seatsNov 10, 2021 · NHTSA campaign 21V874000 · 208,332 vehicles

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.

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.

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…

Engine · received Mar 6, 2025 · NHTSA complaint 11646713

TL* THE CONTACT OWNS A 2019 AUDI S4. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 60 MPH, THE BRAKES LOCKED UP. THE ABS WARNING LIGHT WAS ILLUMINATED. THE AUDI PRE-SENSE MESSAGE WAS ALSO DISPLAYED. THE VEHICLE WAS TAKEN TO FLETCHER JONES AUDI (1523 W. NORTH AVE, CHICAGO, IL 60642…

Service Brakes · received May 4, 2021 · NHTSA complaint 11415106

Other Audi S4 years

← 2018 S4 · 2020 S4 →

See all Audi S4 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 2019 Audi S4?

Owners most often report engine, lane departure, service brakes problems. The top one, engine, accounts for 1 complaint.

Was there a recall on the 2019 Audi S4?

Yes, 1 safety recall. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2019 Audi S4 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other S4 model years, the 2019 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.