Model year
2021 Audi S4
NHTSA lists 4 recalls and 2 complaints for the 2021 Audi S4 (recall file dated Oct 23, 2026; complaint file dated Oct 23, 2026). The components listed on the most complaints are ELECTRICAL SYSTEM (1), UNKNOWN OR OTHER (1). NHTSA lists crash-test variants for this model year and marks the overall rating Not Rated. EPA rates it 23 mpg combined (fuel economy file dated Sep 29, 2026). EPA's annual fuel-cost figures for these configurations are $3,550, based on 15,000 miles and 55% city driving.
- 2000 143 complaints
- 2001 87 complaints
- 2002 22 complaints
- 2004 29 complaints
- 2005 43 complaints
- 2006 30 complaints
- 2007 13 complaints
- 2008 4 complaints
- 2009 0 complaints
- 2010 60 complaints
- 2011 26 complaints
- 2012 22 complaints
- 2013 33 complaints
- 2014 17 complaints
- 2015 1 complaints
- 2016 0 complaints
- 2018 7 complaints
- 2019 2 complaints
- 2020 17 complaints
- 2021 2 complaints
- 2022 1 complaints
- 2023 0 complaints
- 2024 0 complaints
- 2025 0 complaints
Recalls
22V742000 · Oct 5, 2022
BACK OVER PREVENTION:DISPLAY FUNCTION
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Coupe, A5 Cabrioleet, A4 Sedan, A4 Allroad, E-Tron Sportback Quattro, SQ7, S5…
22V034000 · Jan 26, 2022
TIRES; SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
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 Sedan, S7, S8, SQ5,…
21V606000 · Aug 5, 2021
SEAT BELTS:REAR/OTHER:RETRACTOR; SEAT BELTS
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro, E-Tron Sportback Quattro, Q3, Q5, Q5 Sportback, Q7, Q8, RS5 Sportback, RS5…
21V295000 · Apr 26, 2021
SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY
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 Cabriolet, A5 coupe,…
Complaints
2 distinct complaints. Crash flag on 0, fire flag on 0, injury field 0, deaths field 0. A complaint can be counted under more than one component. The injury and death figures are the file's numbers (the highest value on each complaint, then added), not a separate verified count of people.
Investigations
No investigations are matched to this name.
Safety ratings
| Variant | Overall | Front | Side | Pole | Rollover | Photo |
|---|---|---|---|---|---|---|
| 4 DR AWD | Not rated | Not Rated | Not Rated | Not Rated | 5 · possibility 0.099 | — |
Fuel economy
| Configuration | Fuel | City | Hwy | Comb | kWh/100 mi | Range | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| S4 · 3L · Automatic (S8) · All-Wheel Drive | Premium Gasoline | 20 | 28 | 23 | — | — | $3,550 |
Open this model year in the fuel-cost calculator. The calculator starts with no fuel price filled in.
Check a vehicle
This page is not a VIN lookup. NHTSA's recall tool checks a specific vehicle: nhtsa.gov/recalls. NHTSA's page for this model year is 2021 Audi S4 at NHTSA. Complaint narratives stay on NHTSA's site and are not copied here.