NHTSA vehicle safety data

2021 Audi A4 Allroad Recalls, Ratings & Complaints

The 2021 Audi A4 Allroad has 1 NHTSA recall campaign and 2 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized Audi dealer.

NHTSA recall and complaint data for the 2021 Audi A4 Allroad, plus NCAP crash-test ratings. Recall data is refreshed daily from NHTSA.

2021 Audi A4 Allroad owner complaints

Owners have filed 2 complaints with NHTSA about the 2021 Audi A4 Allroad, describing incidents dated July 30, 2024 to October 3, 2026.

Most-cited components

  • Forward Collision Avoidance 1 complaint
  • Power Train 1 complaint

Newest complaints

  • ODI #11772540 · Filed

    A few minutes into the drive the transmission oil is too hot warning light came on and the car went into a 'limp' mode, car could only be driven less than 10mph. If this occurred while making a turn or in the highway it could have been disastrous or even fatal. We took it to the dealer and by then…

  • ODI #11608025 · Filed

    On several occasions while vehicle was stationary at a stoplight or moving very slowly the emergency braking system deployed, with seat belt tensioner activated and brakes applied with characteristic thunk sound. I could discern no threat at the time, but other cars were nearby. Recently, though…

Read all 2 complaints

Rear Axle May Be Misaligned

NHTSA #22V034000 · Tires · NHTSA notice

Reported January 26, 2022 · Volkswagen Group of America, Inc.

Potentially affected: 31,058 vehicles

Repair completion: 98.49% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Manufacturer campaign 42L5 · Owners notified March 3, 2022

Defect description

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.

Safety consequence

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

Manufacturer 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. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L5.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Other Audi A4 Allroad model years

Check your 2021 Audi A4 Allroad VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Audi A4 Allroad at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

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