1998 rankings
Least Fuel-Efficient 1998 Vehicles
The thirstiest 1998 models by annual fuel cost.
Fuel costs assume 15,000 miles a year at $3.10/gal regular, $3.95/gal premium and 18¢/kWh. Each model is shown in its most efficient configuration.
Top 15
Annual fuel cost (lower is better)Full list
| # | Model | Class | Type | Combined | Range | Fuel / yr |
|---|---|---|---|---|---|---|
| 1 | Lamborghini Diablo | Two-Seater | Gas | 10 MPG | — | $5,925 |
| 2 | Ferrari Ferrari 550 Maranello | Two-Seater | Gas | 10 MPG | — | $5,925 |
| 3 | Ferrari Ferrari 456 | Subcompact Car | Gas | 11 MPG | — | $5,386 |
| 4 | Ferrari Ferrari F355/355 F1 | Two-Seater | Gas | 11 MPG | — | $5,386 |
| 5 | Rolls-Royce Silver Spur Park Ward | Large Car | Gas | 11 MPG | — | $5,386 |
| 6 | Rolls-Royce Silver Spur | Midsize Car | Gas | 12 MPG | — | $4,938 |
| 7 | Bentley Azure | Subcompact Car | Gas | 12 MPG | — | $4,938 |
| 8 | Bentley Continental | Subcompact Car | Gas | 12 MPG | — | $4,938 |
| 9 | Bentley Brooklands | Large Car | Gas | 12 MPG | — | $4,938 |
| 10 | Bentley Turbo RT | Midsize Car | Gas | 12 MPG | — | $4,938 |
| 11 | Land Rover Range Rover | Special Purpose Vehicle | Gas | 13 MPG | — | $4,558 |
| 12 | Dodge Viper | Two-Seater | Gas | 13 MPG | — | $4,558 |
| 13 | Land Rover Discovery | Special Purpose Vehicle | Gas | 14 MPG | — | $4,232 |
| 14 | Aston Martin DB7 | Two-Seater | Gas | 15 MPG | — | $3,950 |
| 15 | Lotus Esprit | Two-Seater | Gas | 16 MPG | — | $3,703 |
| 16 | Mercedes-Benz CL-Class | Compact Car | Gas | 16 MPG | — | $3,703 |
| 17 | Chevrolet Pickup 2500 Diesel | Full-Size Pickup | Diesel | 15 MPG | — | $3,700 |
| 18 | GMC Sierra Diesel | Full-Size Pickup | Diesel | 15 MPG | — | $3,700 |
| 19 | Chevrolet K1500 Pickup Diesel | Full-Size Pickup | Diesel | 15 MPG | — | $3,700 |
| 20 | GMC Yukon Diesel | Special Purpose Vehicle | Diesel | 15 MPG | — | $3,700 |
| 21 | Chevrolet Tahoe Diesel | Special Purpose Vehicle | Diesel | 15 MPG | — | $3,700 |
| 22 | Lexus LX | Special Purpose Vehicle | Gas | 13 MPG | — | $3,577 |
| 23 | Lincoln Navigator | Special Purpose Vehicle | Gas | 13 MPG | — | $3,577 |
| 24 | Dodge Durango | Special Purpose Vehicle | Gas | 13 MPG | — | $3,577 |
| 25 | Mercedes-Benz SL-Class | Two-Seater | Gas | 17 MPG | — | $3,485 |
| 26 | Jaguar XJR | Compact Car | Gas | 17 MPG | — | $3,485 |
| 27 | Mercedes-Benz ML-Class | Special Purpose Vehicle | Gas | 17 MPG | — | $3,485 |
| 28 | Ford E150 Club Wagon | Van | Gas | 14 MPG | — | $3,321 |
| 29 | Chevrolet Suburban | Special Purpose Vehicle | Gas | 14 MPG | — | $3,321 |
| 30 | GMC Suburban | Special Purpose Vehicle | Gas | 14 MPG | — | $3,321 |