NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2019 Audi S4. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
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 was a new long block at approx. 31k cost to me. Eventually after complaining significantly it was settled at 14k plus tax.
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 DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 19,800.
Data synced from NHTSA on May 4, 2026