Fuel injection system: fuel rail
Risk. A fuel leak in the presence of an ignition source can increase risk of a fire.
NHTSA has logged 51 owner complaints about the 2016 Audi A6, most often about the engine. It is covered by 3 safety recalls, and for recall 18V-370 the manufacturer reports only 85% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 29, 2026. Updated daily. Photo: EurovisionNim, CC BY-SA 4.0.
51 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 17 | 2 |
| Electrical system | 8 | 1 |
| Air bags | 8 | 0 |
| Fuel/propulsion system | 6 | 1 |
| Power train | 5 | 0 |
| Service brakes | 3 | 0 |
| Vehicle speed control | 3 | 0 |
| Structure | 2 | 0 |
| Fuel system, gasoline | 2 | 0 |
| 12 other systems | 15 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. A fuel leak in the presence of an ignition source can increase risk of a fire.
Risk. The extra resistance can cause the connector to overheat, increasing the risk of a fire.
Risk. If the PODS module malfunctions, the front passenger air bag may not deploy properly in the event of a crash, increasing the risk of injury.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Audi.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the A6 median. How we score
2016 Audi A6 4 DR FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.



Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
The water pump on my 2016 Audi A6 has failed multiple times prematurely. The first water pump failed at 36,965 miles in May 2019. That repair was covered under an extended warranty I purchased. The second water pump failed around 83,000 miles in September 2025, and Audi is now quoting me $2,350 out…
This vehicle had a claim for water pump replacement and the 3.0 model has a recall for the turbo charger. This vehicle is experiencing the same issues and went from 70 mph to 0 and stalled on the freeway. Thankfully the semi and other vehicles were able to avoid me or my family would be reaching…
I took the vehicle into a repair shop because the check engine light is on. I was advised that the water pump is leaking and it needs to be replaced along with the thermostat. The turbo charger assembly also needs to be replaced. Both of these items appear to be deficient and were listed under…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.