NHTSA Data Explorer

Audi A6 Quattro

Data refreshed October 26, 2026

Select a model year to filter results to that year of the Audi A6 Quattro.

Complaints

1,776

Active records

Recalls

55

Active records

TSBs

4,749

Active records

Filing history

Monthly totals over the last 20 years. Click a legend item to show or hide that series.

Reported severity

Based on consumer complaints filed since 2000. Recalls and TSBs do not include severity data.

Deaths

3

Injuries

65

Crashes

69

Fires

74

Top reported issues — Audi A6 Quattro

Click a category to expand its values.

Condition issue

443

Operating state

344

Reporting mechanism

324

Fluid issue

190

Safety restraint issue

190

Driver assistance issue

172

Thermal issue

159

Engine behavior

135

Performance issue

114

Braking behavior

107

Electrical issue

80

Lighting behavior

79

Transmission/drivetrain behavior

74

Vibration/harshness

71

Steering behavior

69

Noise

65

Smell

58

Starting behavior

55

Safety restraint behavior

47

Access/entry issue

42

Powering on/off behavior

36

Infotainment behavior

25

Wiper/washer behavior

21

Recent change

19

HVAC behavior

18

Ride/handling behavior

14

Electrified system issue

5

Communication/network issue

3

Charging behavior

1

Recent filings

The 10 most recent filings for each type.

2021 AUDI A6

Filed Oct 19, 2026


Both daytime running lights have progressively changed from white to yellow and lost intensity. The discoloration began on one side and later appeared on the other, concentrated at the lower angled section of the daytime running light. There are no warning lamps, messages, or stored fault codes. Independent automotive lighting specialists who service this model describe the cause as heat from the daytime running light LED degrading the end of the clear light-guide tube inside the sealed…

2020 AUDI A6

Filed Oct 8, 2026


Central locking malfunction. Vehicle reports central lock error and can’t be opened easily from outside or inside. Unlocking from the key fob leads to the door locks to malfunction. Operating door handles is impossible from inside or outside. All doors are impacted.

2012 AUDI A6

Filed Oct 8, 2026


The contact owns a 2012 Audi A6. The contact stated that while there was a passenger seated inside the vehicle, the passenger’s side air bag warning light turned on and off, and the main air bag warning light was illuminated. The contact received notification of NHTSA Campaign Number: 18V370000 (Air Bags); however, the part to do the recall repair was not yet available. The local dealer was contacted and stated that the parts were not available. The contact stated that the manufacturer had…

2021 AUDI A6

Filed Sep 21, 2026


While operating the vehicle under normal driving conditions, the vehicle suffered an immediate, un-commanded loss of engine power and throttle response. The vehicle displayed a critical dashboard restriction stating: “Maximum engine speed 2500 RPM”, forcing an emergency limp-home mode that instantly created a roadway collision hazard. Simultaneously, the vehicle's primary safety and convenience systems dropped completely offline, displaying synchronized, consecutive malfunction alerts for…

2024 AUDI A6

Filed Sep 21, 2026


The brake vacuum is leaking and it makes the brake hard when the car is off, as soon as I start the car after pushing the brake hard enough, the brake pedal returns to its normal state. I am concerned that if something happens to the break while I am driving, this is very risky. I went to the dealer four times and they are always telling me that the car is normal but before it didn’t have this problem. So the problem is not confirmed by the dealer. Also I have another Audi a6 same model that…

2025 AUDI A6

Filed Sep 16, 2026


I am the lessee of a 2025 Audi A6 e-tron, VIN [XXX], leased new from McGrath Audi in XXX. The vehicle has been defective continuously since delivery and is currently inoperable. Current defect. After Audi applied software update campaign KT2, the vehicle will no longer accept a charge from any source. It will not charge on Level 1 at home, will not charge on my Level 2 home charger, and will not charge at Electrify America DC fast chargers. All three worked before the update. Because this is a…

2024 AUDI A6

Filed Sep 10, 2026


The contact owns a 2024 Audi A6. The contact stated that while driving at various speeds, the vehicle had experienced phantom braking, causing the vehicle to violently and abruptly stop in the middle of the road. The contact stated that the failure had occurred on several occasions, including while making a left turn in the middle of an intersection, and once while making a left-hand turn into the driveway. Additionally, on one occasion, the failure occurred and almost caused a second vehicle…

2021 AUDI A6

Filed Sep 4, 2026


The vehicle went in for a software update. After purchasing the vehicle, the software update was part of a recall. Since that recall was performed, my vehicle has a lot of electronic glitches and a lot of issues. My external Morty just got done, paying $4500 to track down a central locking issue on top of the electronic issues. Did not fix the issue. I am out of town going to see family in California. The vehicle central locking air came back up. I could not get out of the vehicle lock and…

2020 AUDI A6

Filed Sep 3, 2026


The electronic/central door locking system on my 2020 Audi A6 malfunctioned. The vehicle and affected components are available for inspection upon request. The vehicle was running with my two young children secured in car seats in the rear seats. I briefly exited and closed the driver's door. When I attempted to re-enter, the vehicle was locked and I was unable to gain access for approximately 10 minutes. My key fob was in my pocket but the proximity/keyless entry system failed, and repeated…

2024 AUDI A6

Filed Aug 18, 2026


The contact owns a 2024 Audi A6. The contact stated that while driving at an undisclosed speed, the vehicle suddenly came to an abrupt stop. The contact stated that everything turned off except for the instrument panel, which displayed an accident warning light. The vehicle was not in a crash, but all the features became inoperable. The vehicle was able to be restarted and driven. The dealer was notified of the failure and acknowledge the failure. The vehicle was not repaired. The manufacturer…

Data sourced from NHTSA's public datasets. Issue classifications are generated by Repair Surge. About this data.

Updated October 26, 2026. Refreshed nightly.