2021 Audi A5 Problems, Complaints & Recalls

Source: NHTSA · Updated Sep 15, 2026 · 8 owner complaints analyzed

Compared with other A5 years
Not enough data 10th of 19 for complaints
NHTSA crash rating
Not rated

Owners have filed 8 complaints with NHTSA about the 2021 Audi A5. That ranks 10th out of 19 A5 model years for complaints. The most reported problem area is electrical system (2 complaints, 25%), typically at around 30,148 miles. There are 5 safety recalls covering this model year.

Audi A5
Audi A5 B10 in Stuttgart-Vaihingen. Representative photo; appearance varies by model year. Photo: Alexander Migl, CC BY-SA 4.0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2021 Audi A5 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Electrical System2 · ~30,148 mi
Unknown or Other2
Air Bags1
Engine1
Forward Collision Avoidance1
Power Train1
Seats1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Electrical System225%30,148——
Unknown or Other225%———
Air Bags113%———
Engine113%———
Forward Collision Avoidance113%———
Power Train113%———
Seats113%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2025, with 3 complaints
2021: 1202112023: 1202312024: 1202412025: 3202532026: 220262

n = 8 complaints · Source: NHTSA

2021 Audi A5 recalls (5)

Tap a recall to see the problem, the risk and the fix.

Back over prevention:display functionOct 5, 2022 · NHTSA campaign 22V742000 · 170,296 vehicles

Problem: 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."

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

Fix: Dealers will update the infotainment unit software, free of charge. Owner notification letters were mailed October 25, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 91DZ.

Tires; suspension:rear:axle:non-powered axle assemblyJan 26, 2022 · NHTSA campaign 22V034000 · 31,058 vehicles

Problem: 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.

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

Fix: 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.

Seat belts:rear/other:retractorAug 5, 2021 · NHTSA campaign 21V606000 · 45,496 vehicles

Problem: 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."

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

Fix: Dealers will inspect, and replace as necessary, the middle-rear seat belt assemblies, free of charge. Owner notification letters were mailed August 27, 2021. Owners may contact Volkswagen customer service at 1-800-893-5298 and Audi customer service at 1-800-253-2834. Volkswagen's numbers for this recall are 69CR (VW) and 69CS (Audi).

Suspension:rear:axle:non-powered axle assemblyApr 26, 2021 · NHTSA campaign 21V295000 · 40,993 vehicles

Problem: 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.

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

Fix: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L1.

Exterior lighting:tail lights; electrical systemNov 25, 2020 · NHTSA campaign 20V737000 · 5,426 vehicles

Problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi RS5 Sportback, 2020-2021 Audi A5 Sportback, and S5 Sportback vehicles. The wiring harness for the rear lights could be missing the anti-abrasion protection in the area of the spare wheel well.

Risk: Without the scuff protection, the wires may become damaged during a rear crash, disabling the doors from being opened from the outside, causing a loss of hazard lights, and increasing the risk of injury.

Fix: Audi will notify owners, and dealers will apply scuff protection, free of charge. The recall began January 21, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 97EU.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

Car began bucking at low speeds. I parked car and when I turned on ignition next day, dashboard warning indicated "Transmission malfunction" and warned me not to drive car. I had it towed to dealer. Diagnosis was that it was a gearbox malfunction that according to dealer was occurring more and more…

Engine · received Sep 15, 2026 · NHTSA complaint 11764446

What component or system failed or malfunctioned, and is it available for inspection upon request? TRANSMISSION - GEAR SHIFT How was your safety or the safety of others put at risk? THE CAR STOPPED SHIFTING GEARS AND WE WHEN THE CAR INSTRUCTED US TO PULL OVER IMMEDIATELY IT WASN'T A SAFE PLACE TO…

Power Train · received Jan 19, 2026 · NHTSA complaint 11711887

The passenger side air bag indicator constantly turns off and on in my Audi no matter if there is or is not a passenger in the seat. I took my vehicle to an authorized Audi service center to have the issue checked and they determined the issue to be a failed pods mat based on the error code…

Air Bags · received Dec 28, 2025 · NHTSA complaint 11707412

I was driving down the interstate when my Warning Transmission Failure light came on. Then another message said you can drive with limited use if vehicle. Seconds later the Warning Transmission Failure light came on again and said drive to your nearest repair shop. Moments later the Warning came on…

Unknown or Other · received Nov 19, 2025 · NHTSA complaint 11700320

The contact owns a 2021 Audi A5. The contact stated while the driving 35 MPH, the instrument panel was blinking on and off several times and then went dark. A local dealer was contacted. The vehicle was taken to the dealer where it was diagnosed and determined that the instrument panel needed to be…

Electrical System · received Jun 17, 2025 · NHTSA complaint 11667401

Other Audi A5 years

← 2020 A5 · 2022 A5 →

See all Audi A5 problems by year, every Audi model, or the Audi VIN decoder.

Similar Audi models

Embed this 2021 Audi A5 badge on your site

Copy this code into your blog or forum post. It shows live complaint and recall counts and links back here.

Frequently asked questions

What are the most common problems with the 2021 Audi A5?

Owners most often report electrical system, unknown or other, air bags problems. The top one, electrical system, accounts for 2 complaints.

Was there a recall on the 2021 Audi A5?

Yes, 5 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2021 Audi A5 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other A5 model years, the 2021 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.