2019 Audi A6 problems & reliability
114 owner complaints filed with NHTSA for the 2019 Audi A6, alongside 7 safety recall campaigns. Last verified Sep 21, 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 components.
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 → | 32 | 28% |
| Power Train → | 15 | 13% |
| Steering → | 12 | 11% |
| Forward Collision Avoidance → | 11 | 10% |
| Unknown / Other | 11 | 10% |
| 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%.
All 16 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Complaints by incident year
What owners report
“The factory-installed mechanical water pump module suffered a severe internal seal and housing failure. This allowed pressurized engine coolant to migrate directly into the engine's vacuum control system and vacuum lines, damaging crucial emissions and vacuum tubing. This defect poses a severe safety risk as coolant…”
Unknown / Other · filed Aug 17, 2026
“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
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
1,466 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2019 Audi A6. The 10 most recent:
This bulletin provides information when the horn sound quality is poor.
TSB_2074436_3 · Service Bulletin/Repair Instructions · issued Aug 26, 2026
This bulletin provides information when there is a wheel/tire imbalance.
TSB_2074843_3 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information for all models regarding brake sounds.
TSB_2069904_3 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only).
TSB_2069078_4 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases.
TSB_2068999_4 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information when there is corrosion on the friction survace of steel brake discs.
TSB_2067132_4 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information when there is an issue with wireless charging/wireless charging is not working.
TSB_2064681_6 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides service infomraiton regardin gthe identifaction of noises with dynamic steering.
TSB_2063546_5 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information about leather care and seat repair.
TSB_2076945_2 · Service Bulletin/Repair Instructions · issued Aug 20, 2026
This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2081030_3 · Service Bulletin/Repair Instructions · issued Aug 13, 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.