Fuel Economy of BMW 645ci Cars
The following table compares the fuel economies of different models of BMW 645ci 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.
Table 1. Fuel Economy of BMW 645ci
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2005 645ci | Manual 6-speed | 8 | 18 | 15 | 23 | $4,217 | $5,060 |
| 2005 645ci | Automatic (S6) | 8 | 19 | 16 | 24 | $3,984 | $4,781 |
| 2005 645ci | Automatic (S6) | 8 | 17 | 15 | 22 | $4,284 | $5,140 |
| 2004 645ci | Manual 6-speed | 8 | 18 | 15 | 23 | $4,217 | $5,060 |
| 2004 645ci | Automatic (S6) | 8 | 19 | 16 | 24 | $3,984 | $4,781 |
| 2004 645ci | Automatic (S6) | 8 | 17 | 15 | 22 | $4,284 | $5,140 |
Table 2. Fuel Economy of BMW 645ci Convertible
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2005 645ci Convertible | Manual 6-speed | 8 | 16 | 13 | 21 | $4,780 | $5,736 |
| 2005 645ci Convertible | Automatic (S6) | 8 | 19 | 16 | 24 | $3,984 | $4,781 |
| 2005 645ci Convertible | Automatic (S6) | 8 | 16 | 13 | 21 | $4,780 | $5,736 |
| 2004 645ci Convertible | Manual 6-speed | 8 | 16 | 13 | 21 | $4,780 | $5,736 |
| 2004 645ci Convertible | Automatic (S6) | 8 | 19 | 16 | 24 | $3,984 | $4,781 |
| 2004 645ci Convertible | Automatic (S6) | 8 | 16 | 13 | 21 | $4,780 | $5,736 |
Back to Fuel economy of BMW cars.Data source: Fuel Economy USA, Reference.