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2021 Audi S4

Verified July 23, 2026Sources: NHTSA · EPA · vPIC

Compare
Safety
0
of 5 stars
Recalls
4
on record
MPG
23
combined

Open recalls on record

4 safety recalls. Recall repairs are free at any franchised dealer — check the VIN before you buy.

Recalls4
Complaints2
Safety
Fuel

Vehicle Summary

2021 Audi S4

4 recalls
2 complaints
23 MPG combined
0

Before You Buy

Confirm all 4 recalls were repaired — a dealer checks by VIN, free
No complaint on record reports a crash
Review the 2 owner complaints on record
Get a pre-purchase inspection
Check vehicle history report
Verify title is clean

Safety record at a glance

Recall campaigns
4
Owner complaints
2
Complaints citing a crash
0

These are raw counts from NHTSA records. They are not normalized by how many of these vehicles are on the road, so a model that sold in large numbers will tend to show more of everything. We do not publish a composite safety or reliability score.

4 Recalls on Record

These recalls have been issued by the manufacturer. Contact any authorized dealer to verify they have been completed — repairs are free.

Enter your VIN to check if specific recalls apply to your vehicle.

Safety recalls

4 NHTSA campaigns affecting this model year.

  • 21V606000high

    Safety restraint issue

    SEAT BELTS:REAR/OTHER:RETRACTOR

    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, and 2021-2022 S3 Sedan vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

  • 22V034000high

    Tire/wheel issue

    TIRES

    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 have been inspected after the repairs for Recall 21V-295 (42L1) were performed.

  • 21V295000high

    Suspension issue

    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, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.

  • 22V742000high

    Rear-visibility system issue

    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 Cabriolet, E-Tron Quattro, SQ8, SQ5 Sportback, SQ5, S8, S7, S6 Sedan, S5 Sportback, S5 Coupe, 2022 E-Tron GT, and 2021-2022 RSQ8 vehicles. Due to a software issue, a blank or black screen may be displayed instead of the rearview camera image when the vehicle is placed in reverse gear. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Consumer complaints

2 owner reports filed with NHTSA.

2
Total
0
Crashes
0
Fires
0
Injuries

Most reported components

  • ELECTRICAL1
  • OTHER1

Normal Range

2 consumer complaints filed with NHTSA.

Most reported problems

electrical issues (battery, wiring, infotainment)1
miscellaneous issues1

Specifications & ratings

Specifications

Body class
Compact Cars
Drive type
All-Wheel Drive
Engine
3L 6-cyl
Fuel type
Unknown
Transmission
Automatic (S8)
Seats
0

Fuel economy

20

City

28

Hwy

23

Comb

Annual cost
$3,250
Fuel
Premium Gasoline

NHTSA crash ratings

Overall
Frontal
Side
Rollover

Data sources

Explore related

Adjacent model years

All Audi S4 years

Systems recalled

Safety timeline

Full timeline
  1. Recall

    Recall 22V742000

    A blank rearview camera display can reduce the driver's rear visibility, increasing the risk of a crash.

  2. Recall

    Recall 22V034000

    Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.

  3. Recall

    Recall 21V606000

    An unsecured child restraint system can increase the risk of injury during a crash.

  4. Recall

    Recall 21V295000

    A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.