| Fuel tank
A6 without AdBlue |
l |
approx. 65/75* |
| Fuel tank
A6 with AdBlue |
l |
approx. 73 |
| Fuel tank
S6 |
l |
approx. 75 |
| Windscreen washer |
l |
approx. 3.5 |
| Windscreen washer system if vehicle is equipped with auxiliary heating* |
l |
approx. 4.9 |
| Windscreen and headlight washer system* |
l |
approx. 4.9 |
