2019 Audi A6 problems and complaints
Owners have filed 114 complaints with NHTSA about the 2019 Audi A6. The most-reported areas: Electrical System (84), Engine (32), Power Train (15).
Key takeaways
- 114 owner complaints on file with NHTSA.
- 2 involve a crash, 1 a fire, 2 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 84 | 74% |
| Engine | 32 | 28% |
| Power Train | 15 | 13% |
| Steering | 12 | 11% |
| Unknown Or Other | 11 | 10% |
| Forward Collision Avoidance | 11 | 10% |
| Service Brakes | 6 | 5% |
| Lane Departure | 5 | 4% |
| Structure | 3 | 3% |
| Exterior Lighting | 3 | 3% |
| Tires | 2 | 2% |
| Fuel/Propulsion System | 2 | 2% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2019 Audi A6 4 DR AWD | 5/5 | 4/5 | 5/5 | 5/5 |
| 2019 Audi A6 4 DR FWD | 5/5 | 4/5 | 5/5 | 5/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Unknown Or Other,engine - filed 2026-08-17
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 en...
Engine - filed 2026-07-08
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 EA839...
Engine - filed 2026-06-15
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 wa...
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More for the 2019 Audi A6
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.