2021 rankings
Least Fuel-Efficient 2021 Vehicles
The thirstiest 2021 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 | Hyundai Nexo | Small SUV | Fuel cell | 61 MPGe | 380 mi | $8,852 |
| 2 | Honda Clarity | Midsize Car | Fuel cell | 68 MPGe | 360 mi | $7,941 |
| 3 | Toyota Mirai | Compact Car | Fuel cell | 74 MPGe | 402 mi | $7,297 |
| 4 | Lamborghini Aventador | Two-Seater | Gas | 10 MPG | — | $5,925 |
| 5 | Bugatti Chiron | Two-Seater | Gas | 11 MPG | — | $5,386 |
| 6 | Ferrari 812 Superfast | Two-Seater | Gas | 13 MPG | — | $4,558 |
| 7 | Ferrari 812 GTS | Two-Seater | Gas | 13 MPG | — | $4,558 |
| 8 | Lexus LX | Midsize & Large SUV | Gas | 14 MPG | — | $4,232 |
| 9 | Rolls-Royce Phantom | Large Car | Gas | 14 MPG | — | $4,232 |
| 10 | Ford GT | Two-Seater | Gas | 14 MPG | — | $4,232 |
| 11 | Rolls-Royce Ghost | Large Car | Gas | 14 MPG | — | $4,232 |
| 12 | Rolls-Royce Wraith | Midsize Car | Gas | 14 MPG | — | $4,232 |
| 13 | Rolls-Royce Dawn | Compact Car | Gas | 14 MPG | — | $4,232 |
| 14 | Rolls-Royce Cullinan | Wagon | Gas | 14 MPG | — | $4,232 |
| 15 | Lamborghini Urus | Midsize & Large SUV | Gas | 14 MPG | — | $4,232 |
| 16 | Roush Performance Mustang | Subcompact Car | Gas | 15 MPG | — | $3,950 |
| 17 | Lamborghini Huracan | Two-Seater | Gas | 15 MPG | — | $3,950 |
| 18 | Audi RS Q8 | Midsize & Large SUV | Hybrid | 15 MPG | — | $3,950 |
| 19 | Aston Martin DBX V8 | Midsize & Large SUV | Gas | 15 MPG | — | $3,950 |
| 20 | Audi S8 Hybrid | Large Car | Hybrid | 16 MPG | — | $3,703 |
| 21 | Lexus GX | Midsize & Large SUV | Gas | 16 MPG | — | $3,703 |
| 22 | Nissan Armada | Midsize & Large SUV | Gas | 16 MPG | — | $3,703 |
| 23 | Infiniti QX80 | Midsize & Large SUV | Gas | 16 MPG | — | $3,703 |
| 24 | Ferrari F8 Tributo | Two-Seater | Gas | 16 MPG | — | $3,703 |
| 25 | Ferrari F8 Spider | Two-Seater | Gas | 16 MPG | — | $3,703 |
| 26 | McLaren 765LT Coupe | Two-Seater | Gas | 16 MPG | — | $3,703 |
| 27 | Cadillac Escalade | Midsize & Large SUV | Gas | 17 MPG | — | $3,485 |
| 28 | Audi R8 | Two-Seater | Gas | 17 MPG | — | $3,485 |
| 29 | Aston Martin DBS | Subcompact Car | Gas | 17 MPG | — | $3,485 |
| 30 | Bentley Flying Spur | Midsize Car | Gas | 17 MPG | — | $3,485 |