The fuel economy or gas mileage of 2023 BMW X6 variants, as measured by EPA, is given below in terms of miles per gallon (MPG):
| 2023 BMW X6 Variants | City MPG | Highway MPG | Combined MPG |
|---|---|---|---|
| 2023 BMW X6 M 8 cylinder, 4.4 L, Automatic (S8) | 13 | 18 | 15 |
| 2023 BMW X6 M Competition 8 cylinder, 4.4 L, Automatic (S8) | 13 | 18 | 15 |
| 2023 BMW X6 M50i 8 cylinder, 4.4 L, Automatic (S8) | 16 | 22 | 18 |
| 2023 BMW X6 xDrive40i 6 cylinder, 3.0 L, Automatic (S8) | 21 | 25 | 23 |
This model ranges from 13 mpg to 25 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 BMW X6 comes with fuel tank capacity of 21.9 gallons. With this fuel tank capacity, most efficient variant can run up to 547.5 miles in highway condition when tank is full.