2
Complaints Reported

Complaints by Component

ELECTRICAL SYSTEM
1 complaint
The contact owns a 2021 Audi S4. The contact stated that while driving at an undisclosed speed, the vehicle experienced a loss of automotive power. The check engine warning light was illuminated. The message "Drive System Malfunction - Please Contact Service" was displayed. In addition, the vehicle hesitated to restart and shift into gear as intended. The contact stated that the failure had progressed over time. The vehicle was taken to a local dealer, where it was diagnosed with needing a pending software service update; however, the repairs would not be available until the end of 2025. The manufacturer was made aware of the failure. The failure mileage was approximately 31,000.
Sep 25, 2025
UNKNOWN OR OTHER
1 complaint
2021 AUDI S4. CONSUMER WRITES IN REGARD TO NHTSA SAFETY RECALL 22V-742. THE CONSUMER IS DISGUSTED AND DISATISFIED WITH THE AUDI SERVICE DEPARTMENT PROCEDURES FOR PERFORMING THE RECALLS.
Jan 31, 2023
4.8/5.0
59 reviews

Frequently Asked Questions

How many problems does the 2021 AUDI S4 have?

The 2021 AUDI S4 currently has 2 owner-reported complaints according to NHTSA database. These complaints are organized by component to help identify common issues.

What are the most common problems with 2021 AUDI S4?

The most common problems reported for the 2021 AUDI S4 are organized by component above. Each component section shows owner-reported issues, crash reports, and fire incidents to help identify patterns and problem areas.

Where does this 2021 AUDI S4 problem data come from?

All problem and complaint data for the 2021 AUDI S4 comes directly from the National Highway Traffic Safety Administration (NHTSA) database. These are real complaints submitted by actual vehicle owners.

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