
The following table compares the fuel economies of different models of BMW 318i 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 |
|---|---|---|---|---|---|---|---|
| 1997 318i Convertible | Automatic 4-speed | 4 | 22 | 19 | 28 | $3,376 | $4,051 |
| 1997 318i Convertible | Manual 5-speed | 4 | 23 | 20 | 29 | $3,226 | $3,871 |
| 1997 318i Convertible | Manual 5-speed | 4 | 23 | 20 | 28 | $3,267 | $3,921 |
| 1996 318i Convertible | Automatic 4-speed | 4 | 22 | 19 | 28 | $3,376 | $4,051 |
| 1996 318i Convertible | Manual 5-speed | 4 | 23 | 20 | 29 | $3,226 | $3,871 |
| 1995 318i Convertible | Automatic 4-speed | 4 | 21 | 18 | 26 | $3,589 | $4,307 |
| 1995 318i Convertible | Manual 5-speed | 4 | 22 | 19 | 29 | $3,334 | $4,001 |
| 1994 318i Convertible | Automatic 4-speed | 4 | 21 | 18 | 26 | $3,589 | $4,307 |
| 1994 318i Convertible | Manual 5-speed | 4 | 22 | 19 | 29 | $3,334 | $4,001 |
| 1992 318i Convertible | Manual 5-speed | 4 | 20 | 18 | 24 | $3,697 | $4,437 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1991 318i | Manual 5-speed | 4 | 19 | 17 | 23 | $3,893 | $4,672 |
Data source: Fuel Economy USA, Reference.