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
Operating state
Reporting mechanism
Fluid issue
Safety restraint issue
Driver assistance issue
Thermal issue
Engine behavior
Performance issue
Braking behavior
Electrical issue
Lighting behavior
Transmission/drivetrain behavior
Vibration/harshness
Steering behavior
Noise
Smell
Starting behavior
Safety restraint behavior
Access/entry issue
Powering on/off behavior
Infotainment behavior
Wiper/washer behavior
Recent change
HVAC behavior
Ride/handling behavior
Electrified system issue
Communication/network issue
Charging behavior
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…