The fuel economy or gas mileage of 2023 Audi S6 variants, as measured by EPA, is given below in terms of miles per gallon (mpg):
| 2023 Audi S6 Variants | City MPG | Highway MPG | Combined MPG |
|---|---|---|---|
| 2023 Audi S6 6 cylinder, 2.9 L, Automatic (S8) | 19 | 26 | 22 |
This model ranges from 19 mpg to 26 mpg in standard test conditions, as per EPA. However, this mileage will vary based on various factors including your driving style, road conditions and vehicle condition. 2023 Audi S6 comes with fuel tank capacity of 19.3 gallons. With this fuel tank capacity, most efficient variant can run up to 501.8 miles in highway condition when tank is full.