2020 Audi S4 Problems
- Complaints
- 17filed with NHTSA
- Median mileage
- —no mileage reported
- Recalls
- 3campaigns on record
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
- NHTSA crash rating
- —no overall rating published
- EPA fuel economy
- 23 mpgcombined, 3.0L 6-cyl AWD · 20 city / 27 hwy
Sources: NHTSA records for the 2020 Audi S4 (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error
NHTSA recorded 17 consumer complaints for the 2020 Audi S4. The part named most often is electrical system, with 15 complaints (88% of the total), followed by back-over prevention (9) and other or unknown (5). NHTSA lists 3 recall campaigns and 942 technical service bulletins for this model year. Electrical system complaints overlap with 282 technical service bulletins filed under the same part. Back-over prevention complaints overlap with 9 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system15 88%
- Other or unknown5 29%
- Lane departure1 5.9%
Example complaints
Electrical system: “My Audi has been having an ongoing issue with the MMI rebooting while i am driving. It takes away my ability to see the maps and or hear the map telling me which direction to go. It has not been inspected yet however it is a common issue with the 2020 Audi cars that can be replicated however it is not predictable.”
NHTSA complaint #11667580, filed 2025-06Back-over prevention (rear camera): “The Multimedia Interface (MMI) Touchscreen Radio will constantly reboot while driving regardless of variables. Diagnosis’ have proven problem to be undeterminable, this is a serious safety concern as I have lost back up camera and other safety features while driving, while I await the system to reboot. This reboot has been occurring non-stop since January. My research online and in other forums has led to a substantial group of vehicle owners suffering from the same issues across their vehicles. …”
NHTSA complaint #11668433, filed 2025-06Other or unknown: “The MMI reboots continuously throughout my drive - whether it is 1 minute or an hour. It does this without a Bluetooth connection or wired connection. There is no ability to use hands free calling, listen to the radio, use Apple car play, Bluetooth, navigation, back up camera, parking assistance… It is startling to have your camera black out on your as your backing up (may back up camera works for about 45 seconds before stopping) I have done a hard reset. …”
NHTSA complaint #11675209, filed 2025-07Complaints by year filed
Trend: rising. Complaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2020 Audi S4. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| S4 · sedan AWD | not rated | — | — | — | 5 · 9.9% risk |
Driver aids listed by NHTSA for the 2020 model year: forward collision warning standard, lane departure warning optional, automatic emergency braking not available.
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Fuel economy and running cost
EPA ratings for each 2020 Audi S4 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| S4 AWD | 3.0L 6-cyl | 8-speed automatic | 20 | 27 | 23 | $3,550 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 22V034000Jan 26, 2022TiresCovers: Audi S4 2020–2021, A5 2019–2021, S5 2019–2021 +20 more
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6…
- 21V874000Nov 10, 2021Air bags › Sensor › Occupant classification › Front passengerCovers: Audi S4 2018–2020, A4 2017–2020, A5 2018–2020 +2 more
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…
- 21V295000Apr 26, 2021Suspension › Rear › Axle › Non-powered axle assemblyCovers: Audi S4 2020–2021, A5 2019–2021, S5 2019–2021 +16 more
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5…
Recall details for the 2020 Audi S4 → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 942 on record; the latest 10 are shown.
- 11038130Sep 25, 2026Other or unknown. This bulletin states that technicians are required to report to the manufacturer when a vehicle has flooded, and specify the height to which the vehicle has been flooded.
- 11038027Sep 25, 2026Other or unknown. This bulletin provides information for reporting safety related information to the manufacturer.
- 11038042Sep 22, 2026Steering. This bulletin provides information about vibrations and rotational steering vibrations.
- 11038031Sep 22, 2026Steering. This bulletin provides informaiton when DTC B200FF0 is stored.
- 11038024Sep 22, 2026Visibility (wipers, defrost, mirrors). This bulletin provides service information regarding exterior glass cleaning.
- 11038056Sep 18, 2026Body and structure. This bulletin provides information about billing for a broken sunroof glass panel.
- 11038032Sep 18, 2026Electrical system. This bulletin provides information when the rear parking sensor sometimes does not work, rear parking sensor loose, rear parking sensor fault message.
- 11038025Sep 15, 2026Other or unknown. This bulletin provides information when the license plate mounting bracket threded inserts are stripped.
- 11038090Sep 14, 2026Engine. This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI.
- 11038033Sep 8, 2026Body and structure. This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases.
Other model years of the Audi S4
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2020 | 17 | — | 3 | — | 23 | — | Rising |
| 2018 | 7 | 4,000 | 2 | — | 24 | — | Not enough data |
| 2014 | 17 | 42,430 | 1 | 5 | 21 | — | Falling |
| 2013 | 33 | 5,100 | 1 | 5 | 21 | 56 · Typical | Stable |
| 2012 | 22 | 70,000 | 1 | 4 | 21 | — | Stable |
| 2011 | 26 | 61,897 | 1 | 4 | 21 | 9 · Fewer | Falling |
| 2010 | 60 | 58,950 | 0 | — | 21 | 50 · Typical | Falling |
| 2007 | 13 | 73,428 | 2 | — | 16 | — | Not enough data |
| 2006 | 30 | 49,325 | 2 | — | 16 | Not compared (before 2008) | Stable |
| 2005 | 43 | 56,000 | 2 | — | 16 | Not compared (before 2008) | Stable |
| 2004 | 29 | 55,000 | 1 | — | 18 | Not compared (before 2008) | Stable |
| 2002 | 22 | 35,627 | 1 | — | 18 | — | Stable |
| 2001 | 87 | 60,000 | 1 | — | 18 | Not compared (before 2008) | Falling |
| 2000 | 143 | 65,000 | 1 | — | 18 | Not compared (before 2008) | Stable |
| 1994 | 7 | 165,000 | 2 | — | 18 | — | Not enough data |
| 1993 | 16 | 121,500 | 2 | — | 18 | — | Stable |
| 1992 | 5 | — | 2 | — | 18 | — | Not enough data |
All Audi S4 model years · Best and worst years by complaints
Frequently asked questions
How many NHTSA complaints does the 2020 Audi S4 have?
NHTSA recorded 17 consumer complaints for the 2020 Audi S4 as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2020 Audi S4 is reported most often?
Electrical system is named most often, in 15 complaints (88% of the total), followed by back-over prevention with 9.
Has the 2020 Audi S4 been recalled?
NHTSA lists 3 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 2020 Audi S4 get?
The EPA rates the 2020 Audi S4 (S4, 3.0L 6-cyl) at 23 mpg combined, 20 city and 27 highway, with an estimated annual fuel cost of $3,550 at 15,000 miles a year. Other engine and drive versions are rated differently.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.