1991 rankings
Least Fuel-Efficient 1991 Vehicles
The thirstiest 1991 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 | Rolls-Royce Brooklands/Turbo R | Midsize Car | Gas | 10 MPG | — | $5,925 |
| 2 | Rolls-Royce Silver Spirit II/Silver Spur | Midsize Car | Gas | 10 MPG | — | $5,925 |
| 3 | Rolls-Royce Corniche/Continental | Subcompact Car | Gas | 10 MPG | — | $5,925 |
| 4 | Lamborghini Diablo | Two-Seater | Gas | 10 MPG | — | $5,925 |
| 5 | Wallace Environmental Wetl 412 | Compact Car | Gas | 10 MPG | — | $5,925 |
| 6 | Rolls-Royce Eight/Mulsan/Mulsanne | Midsize Car | Gas | 10 MPG | — | $5,925 |
| 7 | Wallace Environmental Wetl Testarossa | Two-Seater | Gas | 11 MPG | — | $5,386 |
| 8 | Land Rover Range Rover | Special Purpose Vehicle | Gas | 13 MPG | — | $4,558 |
| 9 | Wallace Environmental Wetl 500 | Two-Seater | Gas | 13 MPG | — | $4,558 |
| 10 | Wallace Environmental Wetl 560 | Two-Seater | Gas | 13 MPG | — | $4,558 |
| 11 | Aston Martin Virage | Subcompact Car | Gas | 13 MPG | — | $4,558 |
| 12 | Ferrari Mondial T/Cabriolet | Subcompact Car | Gas | 13 MPG | — | $4,558 |
| 13 | Ferrari F40 | Two-Seater | Gas | 13 MPG | — | $4,558 |
| 14 | Jaguar XJS | Two-Seater | Gas | 14 MPG | — | $4,232 |
| 15 | Mercedes-Benz 560 | Compact Car | Gas | 14 MPG | — | $4,232 |
| 16 | Ferrari 348 TB/TS | Two-Seater | Gas | 14 MPG | — | $4,232 |
| 17 | Maserati 430 | Subcompact Car | Gas | 14 MPG | — | $4,232 |
| 18 | Porsche Carrera 4 | Two-Seater | Gas | 14 MPG | — | $4,232 |
| 19 | PAS Pas-Syclone | Small Pickup | Gas | 14 MPG | — | $4,232 |
| 20 | Ferrari Testarossa | Two-Seater | Gas | 11 MPG | — | $4,227 |
| 21 | Dodge W250 Pickup | Full-Size Pickup | Gas | 11 MPG | — | $4,227 |
| 22 | Dodge D250 Cab Chassis | Special Purpose Vehicle | Gas | 11 MPG | — | $4,227 |
| 23 | Toyota Cab Chassis | Special Purpose Vehicle | Gas | 11 MPG | — | $4,227 |
| 24 | Jeep Grand Wagoneer | Special Purpose Vehicle | Gas | 11 MPG | — | $4,227 |
| 25 | J.K. Motors Testarossa | Two-Seater | Gas | 11 MPG | — | $4,227 |
| 26 | Maserati Spyder | Two-Seater | Gas | 15 MPG | — | $3,950 |
| 27 | Mercedes-Benz 420 | Midsize Car | Gas | 15 MPG | — | $3,950 |
| 28 | Import Trade Services ITS 520 | Midsize Car | Gas | 15 MPG | — | $3,950 |
| 29 | Wallace Environmental Wetl 300 | Special Purpose Vehicle | Gas | 15 MPG | — | $3,950 |
| 30 | Import Trade Services ITS 320 | Compact Car | Gas | 15 MPG | — | $3,950 |