The BMW 740i has a different sized gas tank based on year and model trim.
Larger sized gas tanks are advantageous because you don't need to go to the gas station as often. Also, you can take advantage of days when gas prices are discounted and fill up your vehicle with a larger quantity of gas.
Scroll down for the gas tank size tables for your year and trim.
BMW 740i Gas Tank Sizes (2021 - 2022)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2022 |
Sedan |
3.0L |
20.6 |
78.0 |
| 2022 |
xDrive Sedan |
3.0L |
20.6 |
78.0 |
| 2021 |
Sedan |
3.0L |
20.6 |
78.0 |
| 2021 |
xDrive Sedan |
3.0L |
20.6 |
78.0 |
BMW 740i Gas Tank Sizes (2019 - 2020)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2020 |
Sedan |
3.0L |
20.6 |
78.0 |
| 2020 |
xDrive Sedan |
3.0L |
20.6 |
78.0 |
| 2020 |
Sedan 4D |
3.0L |
20.6 |
78.0 |
| 2019 |
Sedan |
3.0L |
20.6 |
78.0 |
| 2019 |
xDrive Sedan |
3.0L |
20.6 |
78.0 |
| 2019 |
Sedan 4D |
3.0L |
20.6 |
78.0 |
BMW 740i Gas Tank Sizes (2017 - 2018)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2018 |
Sedan 4D |
3.0L |
20.6 |
78.0 |
| 2017 |
Sedan 4D Turbo |
3.0L |
20.6 |
78.0 |
BMW 740i Gas Tank Sizes (2015 - 2016)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2016 |
Sedan 4D Turbo |
3.0L |
20.6 |
78.0 |
| 2015 |
Sedan 4D Turbo |
3.0L |
21.1 |
79.9 |
BMW 740i Gas Tank Sizes (2013 - 2014)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2014 |
Sedan 4D Turbo |
3.0L |
21.1 |
79.9 |
| 2013 |
Sedan 4D |
3.0L |
21.7 |
82.1 |
BMW 740i Gas Tank Sizes (2011 - 2012)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2012 |
Sedan 4D |
3.0L |
21.7 |
82.1 |
| 2011 |
Sedan 4D |
3.0L |
21.7 |
82.1 |