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)
  1. 1Rolls-Royce Brooklands/Turbo R10 MPG $5,925
  2. 2Rolls-Royce Silver Spirit II/Silver Spur10 MPG $5,925
  3. 3Rolls-Royce Corniche/Continental10 MPG $5,925
  4. 4Lamborghini Diablo10 MPG $5,925
  5. 5Wallace Environmental Wetl 41210 MPG $5,925
  6. 6Rolls-Royce Eight/Mulsan/Mulsanne10 MPG $5,925
  7. 7Wallace Environmental Wetl Testarossa11 MPG $5,386
  8. 8Land Rover Range Rover13 MPG $4,558
  9. 9Wallace Environmental Wetl 50013 MPG $4,558
  10. 10Wallace Environmental Wetl 56013 MPG $4,558
  11. 11Aston Martin Virage13 MPG $4,558
  12. 12Ferrari Mondial T/Cabriolet13 MPG $4,558
  13. 13Ferrari F4013 MPG $4,558
  14. 14Jaguar XJS14 MPG $4,232
  15. 15Mercedes-Benz 56014 MPG $4,232

Full list

#Model ClassType Combined Range Fuel / yr
1Rolls-Royce Brooklands/Turbo R Midsize CarGas 10 MPG — $5,925
2Rolls-Royce Silver Spirit II/Silver Spur Midsize CarGas 10 MPG — $5,925
3Rolls-Royce Corniche/Continental Subcompact CarGas 10 MPG — $5,925
4Lamborghini Diablo Two-SeaterGas 10 MPG — $5,925
5Wallace Environmental Wetl 412 Compact CarGas 10 MPG — $5,925
6Rolls-Royce Eight/Mulsan/Mulsanne Midsize CarGas 10 MPG — $5,925
7Wallace Environmental Wetl Testarossa Two-SeaterGas 11 MPG — $5,386
8Land Rover Range Rover Special Purpose VehicleGas 13 MPG — $4,558
9Wallace Environmental Wetl 500 Two-SeaterGas 13 MPG — $4,558
10Wallace Environmental Wetl 560 Two-SeaterGas 13 MPG — $4,558
11Aston Martin Virage Subcompact CarGas 13 MPG — $4,558
12Ferrari Mondial T/Cabriolet Subcompact CarGas 13 MPG — $4,558
13Ferrari F40 Two-SeaterGas 13 MPG — $4,558
14Jaguar XJS Two-SeaterGas 14 MPG — $4,232
15Mercedes-Benz 560 Compact CarGas 14 MPG — $4,232
16Ferrari 348 TB/TS Two-SeaterGas 14 MPG — $4,232
17Maserati 430 Subcompact CarGas 14 MPG — $4,232
18Porsche Carrera 4 Two-SeaterGas 14 MPG — $4,232
19PAS Pas-Syclone Small PickupGas 14 MPG — $4,232
20Ferrari Testarossa Two-SeaterGas 11 MPG — $4,227
21Dodge W250 Pickup Full-Size PickupGas 11 MPG — $4,227
22Dodge D250 Cab Chassis Special Purpose VehicleGas 11 MPG — $4,227
23Toyota Cab Chassis Special Purpose VehicleGas 11 MPG — $4,227
24Jeep Grand Wagoneer Special Purpose VehicleGas 11 MPG — $4,227
25J.K. Motors Testarossa Two-SeaterGas 11 MPG — $4,227
26Maserati Spyder Two-SeaterGas 15 MPG — $3,950
27Mercedes-Benz 420 Midsize CarGas 15 MPG — $3,950
28Import Trade Services ITS 520 Midsize CarGas 15 MPG — $3,950
29Wallace Environmental Wetl 300 Special Purpose VehicleGas 15 MPG — $3,950
30Import Trade Services ITS 320 Compact CarGas 15 MPG — $3,950

More 1991 rankings

1991 class rankings

This ranking in other years