The BMW 740xi gas tank sizes range from 20.0 gallons to 20.6 gallons as specified in our data below, organized by trim, option package, and model year.
The gas tank size of the BMW 740xi, when combined with its fuel mileage, gives the 740xi the following ranges depending on the model year and options:
- City range from 400 miles to 412 miles
- Highway range from 540 miles to 597 miles
Check out the Gas Tank Size specifications for other makes and models.
2021 BMW 740xi Gas Tank Size
The 2021 BMW 740xi gas tank size is 20.0 gallons.
On a full tank of fuel, the 2021 BMW 740xi has the following ranges:
- City range of 400 miles
- Highway range of 540 miles
2021 BMW 740xi Gas Tank Size (Imp.)
| Trim |
Engine | Transmission | Drivetrain |
Gas Tank Size |
Range (miles) |
| 7 Series Sedan |
3.0L | Intercooled Turbo | I6 | 8 Spd Sport Auto | AWD |
20.0 gal. |
400 city | 540 hwy | 470 combined |
2021 BMW 740xi Gas Tank Size (Metric)
| Trim |
Engine | Transmission | Drivetrain |
Gas Tank Size |
Range (km) |
| 7 Series Sedan |
3.0L | Intercooled Turbo | I6 | 8 Spd Sport Auto | AWD |
75.7 liters |
644 city | 869 hwy | 756 combined |
2020 BMW 740xi Gas Tank Size
The 2020 BMW 740xi gas tank size is 20.6 gallons.
On a full tank of fuel, the 2020 BMW 740xi has the following ranges:
- City range of 412 miles
- Highway range of 576 miles
2020 BMW 740xi Gas Tank Size (Imp.)
| Trim |
Engine | Transmission | Drivetrain |
Gas Tank Size |
Range (miles) |
| Sedan |
3.0L | Intercooled Turbo | I6 | Sport Auto | AWD |
20.6 gal. |
412 city | 576 hwy | 494 combined |
2020 BMW 740xi Gas Tank Size (Metric)
| Trim |
Engine | Transmission | Drivetrain |
Gas Tank Size |
Range (km) |
| Sedan |
3.0L | Intercooled Turbo | I6 | Sport Auto | AWD |
78.0 liters |
663 city | 927 hwy | 795 combined |
2019 BMW 740xi Gas Tank Size
The 2019 BMW 740xi gas tank size is 20.6 gallons.
On a full tank of fuel, the 2019 BMW 740xi has the following ranges:
- City range of 412 miles
- Highway range of 597 miles
2019 BMW 740xi Gas Tank Size (Imp.)
| Trim |
Engine | Transmission | Drivetrain |
Gas Tank Size |
Range (miles) |
| Sedan |
3.0L | Intercooled Turbo | I6 | Sport Auto | AWD |
20.6 gal. |
412 city | 597 hwy | 504 combined |
2019 BMW 740xi Gas Tank Size (Metric)
| Trim |
Engine | Transmission | Drivetrain |
Gas Tank Size |
Range (km) |
| Sedan |
3.0L | Intercooled Turbo | I6 | Sport Auto | AWD |
78.0 liters |
663 city | 961 hwy | 811 combined |
2018 BMW 740xi Gas Tank Size
The 2018 BMW 740xi gas tank size is 20.6 gallons.
On a full tank of fuel, the 2018 BMW 740xi has the following ranges:
- City range of 412 miles
- Highway range of 597 miles
2018 BMW 740xi Gas Tank Size (Imp.)
| Trim |
Engine | Transmission | Drivetrain |
Gas Tank Size |
Range (miles) |
| Sedan |
3.0L | Intercooled Turbo | I6 | Sport Auto | AWD |
20.6 gal. |
412 city | 597 hwy | 504 combined |
2018 BMW 740xi Gas Tank Size (Metric)
| Trim |
Engine | Transmission | Drivetrain |
Gas Tank Size |
Range (km) |
| Sedan |
3.0L | Intercooled Turbo | I6 | Sport Auto | AWD |
78.0 liters |
663 city | 961 hwy | 811 combined |
BMW 740xi Gas Tank Data Brought To You By AutoPadre
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