Compact cars · Electric · model year 2026
BMW i5 vs Rolls-Royce Spectre
The BMW i5 is rated 33 MPGe higher than the Rolls-Royce Spectre in model year 2026, 110 against 77 combined, which is 43% more distance from the same energy.
Side by side
| Measure | BMW i5 | Rolls-Royce Spectre |
|---|---|---|
| Combined fuel economy (best version) | 110 MPGe | 77 MPGe |
| City | 114 MPG | 74 MPG |
| Highway | 106 MPG | 82 MPG |
| Annual fuel cost | $700 | $1,000 |
| Tailpipe CO2 | 0 g/mile | 0 g/mile |
| Lowest rated version | 91 MPGe | 70 MPGe |
| Rated versions | 9 | 4 |
| All-electric range | 310 mi | 277 mi |
| Rank in class (best combined rating) | 3rd of 21 | 7th of 21 |
| Class | Compact cars | Compact cars |
| Powertrain | Electric | Electric |
Better figure in bold; each model's most efficient version.
Fuel economy and cost
Fuel bills differ by $300 a year. The BMW i5 comes to $700 and the Rolls-Royce Spectre to $1,000, both at 15,000 miles a year.
Where each one ranks
Within their class the BMW i5 is 3rd of 21 compact cars, in the top quarter, ahead of 90% of the others. The Rolls-Royce Spectre is 7th of 21 compact cars, in the upper half, ahead of 70% of the others.
The BMW i5 has 9 rated versions, from 91 to 110 MPGe. The Rolls-Royce Spectre has 4, from 70 to 77 MPGe. For the most efficient versions, the BMW i5 is rated 8 higher in the city (114 against 106), while the Rolls-Royce Spectre is rated 8 higher on the highway (82 against 74).
The two versions closest in rating are i5 M60 xDrive Sedan (21 inch Wheels): electric motor, Automatic (A1), AWD at 91 MPGe and Spectre (22 inch Wheels): electric motor, Automatic (A1), AWD at 77, 14 MPGe apart.
Ratings by model year
Both models are in the data for 3 model years, 2024 to 2026. The BMW i5 has the higher best rating in 3 of them and the Rolls-Royce Spectre in 0. The widest gap, 33 MPGe, was in 2026, when the BMW i5 led.
| Model year | BMW i5 | Rolls-Royce Spectre | Gap |
|---|---|---|---|
| 2026 | 110 | 77 | +33 |
| 2025 | 105 | 77 | +28 |
| 2024 | 105 | 81 | +24 |