Audi ยท 2021
2021 Audi S4
Official EPA fuel economy and NHTSA recall record, best combined figure 23 MPG.
Safety rating (NHTSA 5-Star)
Official crash-test ratings for the 2021 Audi S4 4 DR AWD.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 3.0L 6-cyl | Automatic (S8) | Premium | 20 | 28 | 23 | 380 |
Safety recalls (NHTSA)
4 campaigns on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.
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, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear ax
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 Coupe, RS6 Avant, RS7, RSQ8, S4 Sedan, S5 Cabriolet, S5 Coupe, S5 Sportback, S6 Sedan, S7, S8, SQ5, SQ5 Sportback, SQ7, SQ8,
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 Cabriolet, E-Tron Quattro, SQ8, SQ5 Sportback, SQ5, S8, S7, S6 Sedan, S5 Sportback, S5 Coupe, 2022 E-Tron GT, and 2021-2022 R
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, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not ha
Owner complaints (NHTSA)
2 complaints filed by owners for this model year. Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.
Frequently Asked Questions
What is the fuel economy of a 2021 Audi S4?
EPA figures for the 2021 Audi S4 reach 23 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 2021 Audi S4?
NHTSA lists 4 safety recall campaigns for the 2021 Audi S4. Check your specific vehicle by VIN on the official NHTSA site, recalls are fixed free of charge by dealers.
What are common problems with the 2021 Audi S4?
Owners have filed 2 complaints with NHTSA for the 2021 Audi S4, most often about: Unknown Or Other, Electrical System. Complaint counts reflect what owners report, not confirmed defects.
Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.