2021 Audi A6: owner complaints and recalls

Analysis of 15 owner complaints filed with NHTSA and 11 recall campaigns. Updated 2026-07-25.

15
Complaints
11
Recalls
0
Crash reports
0
Fire reports
0
Injuries
0.0
Severity index

Severity index 0.0 - Low. This weights crashes, fires, injuries and fatalities per 100 complaints; see methodology.

What actually fails

ComponentComplaintsShare of complaints citing it
ELECTRICAL SYSTEM960.0%
UNKNOWN OR OTHER213.3%
ENGINE213.3%
POWER TRAIN213.3%
FORWARD COLLISION AVOIDANCE213.3%
ENGINE AND ENGINE COOLING16.7%
STEERING16.7%
STRUCTURE16.7%

The single most-reported system is ELECTRICAL SYSTEM, cited in 9 of 15 complaints (60.0%). One complaint can name several systems, so these shares overlap and do not total 100%.

Complaints filed per year

2022: 22023: 42024: 12025: 32026: 52223242526
YearComplaints
20222
20234
20241
20253
2026 (year to date)5
Complaint volume is rising - the last three years carry 4.0x the filings of the three before them, which usually signals a wear-related defect surfacing with age.

Recall campaigns

CampaignReportedComponentSummary
21V60600005/08/2021SEAT BELTS:REAR/OTHER:RETRACTORVolkswagen 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
22V03400026/01/2022TIRESVolkswagen 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, 20
21V15900010/03/2021AIR BAGSVolkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi RS6 Avant, RS7, 2020-2021 A6 Allroad, S6 Sedan, S7, 2019-2021 A6 Sedan, and A7 vehicles. The score line on the passenger air bag may not have been manufactured correctly.
20V74900002/12/2020ELECTRICAL SYSTEMVolkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi A6 Allroad, Q7, RS6 and RS7 vehicles. The electrical connector can detach from the door crash sensor in either of the front doors.
21V29500026/04/2021SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLYVolkswagen 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, 2
22V15500014/03/2022ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNITVolkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 RS6 Avant and RS7, 2020-2022 A6 Allroad, S6 Sedan, and S7, and 2019-2022 A6 Sedan and A7 vehicles. The fuel level sender may stick, causing an inaccurate fuel level reading to be displayed on the instrument
22V74200005/10/2022BACK OVER PREVENTION:DISPLAY FUNCTIONVolkswagen 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 Cabri
22V86100021/11/2022ELECTRICAL SYSTEMVolkswagen Group of America, Inc. (Audi) is recalling certain 2020-2022 Audi S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat may penetrate and cause the gateway control module to shut down.
23V60100025/08/2023SERVICE BRAKES, HYDRAULIC:FLUIDVolkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi S7, S6 Sedan, RS7, RS6 Avant, A6 Allroad, 2019-2021 A7, and A6 Sedan vehicles. An incorrectly labeled brake fluid cap may have been installed, which can result in the use of the wrong type of brake fluid.
25V20100031/03/2025ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANELVolkswagen Group of America, Inc. (Audi) is recalling certain 2021 SQ8, A6 SEDAN, A7, A8, Q7, Q8, RS6 Avant, RS7, RSQ8, S6 SEDAN, S7, S8, A6 Allroad, and SQ7 vehicles. Due to a software error, the instrument panel display may fail.
25V90000019/12/2025BACK OVER PREVENTION: SENSING SYSTEM: CAMERAVolkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image from displaying as intended. As such, these vehicles fail to comply with the requi
Source. US National Highway Traffic Safety Administration public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports; volume is influenced by how many units were sold and how long the vehicle has been on the road. Not affiliated with NHTSA or any manufacturer.