
The following table compares the fuel economies of different models of BMW 340i cars, across model years.
The annual fuel costs (shown in the right-hand columns) are calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
Annual Cost 1 assumes a fuel cost of $5.00 per gallon, while Annual Cost 2 assumes a fuel cost of $6.00 per gallon.
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2019 340i xDrive Gran Turismo | Automatic (S8) | 6 | 23 | 20 | 29 | $3,226 | $3,871 |
| 2018 340i xDrive Gran Turismo | Automatic (S8) | 6 | 23 | 20 | 29 | $3,226 | $3,871 |
| 2017 340i xDrive Gran Turismo | Automatic (S8) | 6 | 24 | 20 | 30 | $3,187 | $3,825 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2018 340i xDrive | Automatic (S8) | 6 | 25 | 21 | 31 | $3,052 | $3,663 |
| 2018 340i xDrive | Manual 6-speed | 6 | 23 | 19 | 29 | $3,334 | $4,001 |
| 2017 340i xDrive | Automatic (S8) | 6 | 25 | 21 | 31 | $3,052 | $3,663 |
| 2017 340i xDrive | Manual 6-speed | 6 | 23 | 19 | 29 | $3,334 | $4,001 |
| 2016 340i xDrive | Automatic (S8) | 6 | 25 | 22 | 32 | $2,929 | $3,515 |
| 2016 340i xDrive | Manual 6-speed | 6 | 23 | 20 | 28 | $3,267 | $3,921 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2018 340i | Automatic (S8) | 6 | 25 | 21 | 32 | $3,018 | $3,622 |
| 2018 340i | Manual 6-speed | 6 | 23 | 19 | 29 | $3,334 | $4,001 |
| 2017 340i | Automatic (S8) | 6 | 25 | 21 | 32 | $3,018 | $3,622 |
| 2017 340i | Manual 6-speed | 6 | 23 | 19 | 29 | $3,334 | $4,001 |
| 2016 340i | Manual 6-speed | 6 | 23 | 20 | 29 | $3,226 | $3,871 |
| 2016 340i | Automatic (S8) | 6 | 25 | 22 | 32 | $2,929 | $3,515 |
Data source: Fuel Economy USA, Reference.