The following table compares the fuel economies of the top 100 most fuel-efficient 2003 special purpose vehicles.
The table includes Diesel vehicles.
The annual fuel cost (shown in the right-most column) is 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.
The calculation assumes a fuel cost of $5.00 per gallon.
| Rank | Brand | Model Year | Vehicle Type | Combined MPG | City MPG |
Highway MPG | Annual Cost |
|---|---|---|---|---|---|---|---|
| 1 | London Taxi | 2003 London Taxi | Diesel | 22 | 21 | 24 | $3,370 |
| 2 | Porsche | 2003 Cayenne S | 14 | 12 | 17 | $5,422 | |
| 3 | Porsche | 2003 Cayenne Turbo | 14 | 12 | 17 | $5,422 | |