2019 Audi A6 problems & reliability
113 owner complaints filed with NHTSA for the 2019 Audi A6, alongside 7 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (2 injured).
Federal crash records (FARS 2020–2023): 2019 Audi A6 vehicles were involved in 4 fatal crashes with 1 occupant death. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 84 | 74% |
| Engine | 31 | 27% |
| Power Train | 15 | 13% |
| Steering | 12 | 11% |
| Forward Collision Avoidance | 11 | 10% |
| Unknown OR Other | 10 | 9% |
| Service Brakes | 6 | 5% |
| Lane Departure | 5 | 4% |
| Exterior Lighting | 3 | 3% |
| Structure | 3 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident year
What owners report
“My 2019 Audi A6 was diagnosed with catastrophic internal engine failure on May 9, 2026 at Audi of Newton, Newton, NJ, at 93,645 miles. The vehicle required a full engine rebuild performed by REV Auto NJ at a cost of $12,000. The failure involved metal debris found in the engine oil, consistent with the documented…”
Engine · filed Jul 8, 2026
“I recently brought my 2019 A6 to Nyack Audi for an unrelated repair, after performing their complimentary inspection the service advisor told me my water pump was leaking coolant into the vacuum hose system; and the pump, PCV valve, sensors, solenoids and vacuum hose system need to be replaced, costing $6,186. My A6…”
Engine · filed Jun 15, 2026
“The central locking / electronic door lock system on my 2019 Audi A6 intermittently malfunctions, sometimes with a long beep sound and an error message appearing on the screen in front of my steering wheel. The affected system is available for inspection upon request. The issue does not happen all the time, but the…”
Electrical System · filed May 9, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
1,450 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2019 Audi A6. The 10 most recent:
This bulletin provides a statement regarding the bottleneck of supply for VW approved oil types VW 504.00 and VW 507.00.
TSB_2082846_1 · Service Bulletin/Repair Instructions · issued Jul 27, 2026
This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
TSB_2081573_4 · Service Bulletin/Repair Instructions · issued Jul 13, 2026
This service information TSB provides warranty coverage information for vehicles with a broken sunroof panel.
TSB_2078648_2 · Service Bulletin/Repair Instructions · issued Jul 10, 2026
This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
TSB_2073747_4 · Service Bulletin/Repair Instructions · issued Jul 9, 2026
This bulletin provides information when there is a film/visible rings on the clear glass cover of the headlight when the dipped beam is switched on.
TSB_2073282_1 · Service Bulletin/Repair Instructions · issued Jul 9, 2026
This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
TSB_2081573_3 · Service Bulletin/Repair Instructions · issued Jul 2, 2026
This bulletin provides informaiton when there are function issues in vehicles equipped with connectivity box low.
TSB_2082147_1 · Service Bulletin/Repair Instructions · issued Jun 29, 2026
This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
TSB_2074640_3 · Service Bulletin/Repair Instructions · issued Jun 26, 2026
This bulletin provides information when there are noises from the area around the instrument cluster.
TSB_2059335_7 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
TSB_2074729_3 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2019 Audi A6 has 7 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2019 Audi A6?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.