2020 Audi S4
Only 16 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 16 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1989 | 0 |
| 1990 | 0 |
| 1991 | 0 |
| 1992 | 5 |
| 1993 | 16 |
| 1994 | 7 |
| 1995 | 1 |
| 1996 | 0 |
| 2000 | 143 |
| 2001 | 87 |
| 2002 | 22 |
| 2003 | 1 |
| 2004 | 29 |
| 2005 | 43 |
| 2006 | 30 |
| 2007 | 13 |
| 2008 | 4 |
| 2009 | 0 |
| 2010 | 60 |
| 2011 | 26 |
| 2012 | 22 |
| 2013 | 32 |
| 2014 | 17 |
| 2015 | 1 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 16 |
| 2021 | 2 |
| 2022 | 1 |
KNOWN PROBLEM AREAS
Only 16 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
14 of 16 total reports mention: electrical system.
Show complaint excerpts
The primary infotainment/mmi screen randomly turns off and a system reboot occurs, which can take a period of time. This causes a loss of all parking sensors, rear view cameras, navigation etc.
NHTSA ODI report, 20250511
The MMI system is frequently rebooting at random moments while driving.
NHTSA ODI report, 20250430
SOS module. Audi had a service for the known problem internally (Service Action 90T2) then stopped it apparently but many of us still experiencing issues that were not able to get the part corrected.
NHTSA ODI report, 20240420
8 of 16 total reports mention: back over prevention.
4 of 16 total reports mention: back over prevention.
1 of 16 total reports mentions: visibility/wiper.
1 of 16 total reports mentions: lane departure.
SAFETY TIMELINE
Volkswagen Group of America, Inc.
Remedy: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L1.
Campaign 21V295000 — check if this car was fixed
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.
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.
Campaign 21V874000 — check if this car was fixed
Volkswagen Group of America, Inc.
Remedy: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022.
Campaign 22V034000 — check if this car was fixed
BUY-SMART CHECKLIST
2020 Audi S4 — pre-purchase inspection
- Test/inspect for electrical system issues (14 reports on file for this year).
- Test/inspect for back over prevention issues (8 reports on file for this year).
- Test/inspect for back over prevention issues (4 reports on file for this year).
- Verify recall 21V295000 (suspension) has been completed.
- Verify recall 21V874000 (air bags, seats) has been completed.
- Verify recall 22V034000 (suspension, tires) has been completed.
OTHER YEARS OF THIS MODEL
BEST YEARS
WORST YEARS
FAQ
Is the 2020 Audi S4 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2020 Audi S4?
The most-reported component is electrical system, accounting for 88% of complaints on file.
How many recalls does the 2020 Audi S4 have?
3 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.