The fuel economy or gas mileage of 2023 Audi A6 variants, as measured by EPA, is given below in terms of miles per gallon (mpg):
| 2023 Audi A6 Variants | City MPG | Highway MPG | Combined MPG |
|---|---|---|---|
| 2023 Audi A6 quattro 4 cylinder, 2.0 L, Automatic (AM-S7) | 24 | 31 | 27 |
| 2023 Audi A6 quattro 6 cylinder, 3.0 L, Automatic (AM-S7) | 21 | 30 | 24 |
| 2023 Audi A6 Allroad 6 cylinder, 3.0 L, Automatic (AM-S7) | 21 | 30 | 24 |
This model ranges from 21 mpg to 31 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 A6 comes with fuel tank capacity of 19.3 gallons. With this fuel tank capacity, most efficient variant can run up to 598.3 miles in highway condition when tank is full.