2019 Audi S4 Safety Report
2019 Audi S4 Safety and Reliability Report
Safety Decision Cockpit for the 2019 Audi S4
This page is the hub for deciding what to inspect next on the 2019 Audi S4. It connects recall campaigns, owner complaint patterns, service bulletins, sibling model years, component issue hubs, and the model buying guide so a shopper or owner can move from a single report into the wider safety graph.
| Signal | Value | What to inspect next |
|---|---|---|
| Recall burden | Moderate (1) | Review campaign numbers, affected components, and dealer remedies below. |
| Owner complaints | Low (2) | Scan complaint narratives for recurring symptoms, mileage, crashes, fires, injuries, and dates. |
| Crash and fire reports | 0 | Treat any crash, fire, injury, or fatality-linked pattern as a priority pre-purchase inspection item. |
| Primary component hub | Engine | Compare engine issues across vehicles. |
| Cleaner nearby model year | 2015 | Compare against the 2015 Audi S4 with 1 complaints and 1 recalls. |
| Riskier nearby model year | 2020 | Check the 2020 Audi S4 before buying across this generation. |
Audi S4 Year-by-Year Comparison
The safest purchase decision usually comes from comparing neighboring model years, not reading a single page in isolation. The table below uses only validated Audi S4 years already present in the cleaned NHTSA dataset, so each comparison links to a real vehicle safety report rather than a generated combination.
| Model Year | Complaints | Recalls | Use case |
|---|---|---|---|
| 2020 Audi S4 | 16 | 3 | Inspect as a potentially higher-complaint year. |
| 2018 Audi S4 | 7 | 2 | Inspect as a potentially higher-complaint year. |
| 2021 Audi S4 | 2 | 4 | Use as a comparable safety baseline. |
| 2015 Audi S4 | 1 | 1 | Compare as a potentially cleaner alternative. |
2019 Audi S4 Complaint Theme Map
Complaint counts become more useful when they are grouped into inspection themes. For the 2019 Audi S4, these are the component areas with the clearest NHTSA complaint signals. Use each link to jump from this single vehicle into broader component hubs and make-specific issue pages.
Engine
1 owner complaint mention this component in the current safety profile.
All Engine issues Audi onlyService Brakes,Lane Departure
1 owner complaint mention this component in the current safety profile.
All Service Brakes,Lane Departure issues Audi onlyAI Safety Analysis for the 2019 Audi S4
Reliability Score
The 2019 Audi S4 receives a reliability score of 87 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates above-average reliability relative to comparable vehicles.
NHTSA Safety Ratings for the 2019 Audi S4
The National Highway Traffic Safety Administration (NHTSA) evaluates vehicles through controlled crash tests and assigns star ratings from 1 to 5, with 5 being the safest.
Known Issues for the 2019 Audi S4
The following issues have been identified from NHTSA complaint data and owner reports for the 2019 Audi S4:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Engine Failure Unexplained engine failure with unusual sounds, often occurring around 30,000 to 60,000 miles. |
Medium | Occasional | 30k-60k miles |
| Brake Lock-Up Brakes locking up at high speeds, typically around 20,000 to 40,000 miles. |
Medium | Common | 20k-40k miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2019 Audi S4:
Engine issues are a common concern among owners.
Brake lock-up is a notable issue, especially at high speeds.
Recall Details for the 2019 Audi S4
The following 1 recall has been issued for the 2019 Audi S4 by NHTSA:
Summary: 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.
Consequence: A disabled passenger air bag increases the risk of injury in the event of a crash.
Remedy: 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 reme...
NHTSA Complaint Summaries for the 2019 Audi S4
Below are complaint narratives filed by owners of the 2019 Audi S4 with the National Highway Traffic Safety Administration.
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 was just after the 50k warranty by about 17 k miles. So roughly 66-67 k miles. The original estimate w...
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, (312) 628-4300) HOWEVER, THE MECHANIC WAS UNABLE TO DETERMINE THE CAUSE OF THE FAILURE. THE VEHICLE WAS NOT DIA...
Frequently Asked Questions About the 2019 Audi S4
Has the 2019 AUDI S4 been recalled?
Yes, the 2019 AUDI S4 has 1 recall on record with NHTSA. Each recall addresses a specific safety defect identified by the manufacturer or NHTSA.
How many complaints does the 2019 AUDI S4 have?
The 2019 AUDI S4 has 2 complaints filed with NHTSA. None of the complaints involved crashes. No injuries or deaths have been reported.
What is the safety rating for the 2019 AUDI S4?
The 2019 AUDI S4 does not have an NHTSA safety rating on file. This can happen for newer model years, specialty vehicles, or models that have not been crash-tested.
What are the most common problems with the 2019 AUDI S4?
The most commonly reported problems with the 2019 AUDI S4 involve engine (1 complaints), service brakes,lane departure (1 complaints).
How many crash reports does the 2019 AUDI S4 have?
There are no crash reports associated with the 2019 AUDI S4 in the NHTSA database.
How many fire reports does the 2019 AUDI S4 have?
There are no fire reports for the 2019 AUDI S4 in the NHTSA database.
Are there any deaths reported for the 2019 AUDI S4?
No deaths have been reported in NHTSA complaints for the 2019 AUDI S4.
How many injuries are reported for the 2019 AUDI S4?
No injuries have been reported in NHTSA complaints for the 2019 AUDI S4.
Should I buy a 2019 AUDI S4?
Based on NHTSA data, the 2019 AUDI S4 is research thoroughly before purchasing. It has 2 complaints, 1 recalls. Always have a pre-purchase inspection done by a qualified mechanic.
What components fail most on the 2019 AUDI S4?
The components with the most failures on the 2019 AUDI S4 are: 1. ENGINE (1 complaints), 2. SERVICE BRAKES,LANE DEPARTURE (1 complaints). ENGINE is the single most-reported problem area with 1 complaints.
What should I know before buying a 2019 AUDI S4?
Be cautious of engine noises and have brakes inspected regularly, especially if you experience any unusual sounds or brake lock-up. The 2019 AUDI S4 has 2 NHTSA complaints and 1 recalls on record.
How reliable is the 2019 AUDI S4?
The 2019 AUDI S4 receives a reliability score of 87/100, indicating above-average reliability. This is based on 2 owner complaints, 1 recalls, and 0 crash/fire reports in the NHTSA database. Key known issues include Engine Failure and Brake Lock-Up.
What are the known issues with the 2019 AUDI S4?
Known issues with the 2019 AUDI S4 include: Engine Failure, Brake Lock-Up. These are based on patterns found across 2 NHTSA complaints. 1 of these patterns resulted in formal recalls.
What are the common engine issues in the 2019 Audi S4?
Engine failure with unusual sounds, often occurring around 30,000 to 60,000 miles.
Can you explain the brake lock-up issue?
Brakes locking up at high speeds, typically around 20,000 to 40,000 miles.
What should I do if I experience engine failure or brake lock-up?
Seek professional inspection and repair immediately for both issues.
Buyer Advice
Our recommendation: Be cautious of engine noises and have brakes inspected regularly, especially if you experience any unusual sounds or brake lock-up.
NHTSA Data Summary for 2019 Audi S4
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2019 Audi S4. The data includes 2 consumer complaints filed by vehicle owners, 1 manufacturer-initiated safety recalls, and safety rating assessments associated with this vehicle.
All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.
Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.
Disclaimer: This analysis is AI-generated from NHTSA public data and does not constitute professional automotive or safety advice. Always verify recall status at NHTSA.gov and consult a qualified mechanic.
Analysis last updated: 2026-05-13