2025 head-to-head · Compact Car
2025 BMW i4 vs Rolls-Royce Spectre
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2025 BMW i4 is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $788 a year to fuel (116 MPGe), versus $1,177 for the 2025 Rolls-Royce Spectre (77 MPGe). That's roughly $389 a year, or about $1,944 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- BMW i4
- Rolls-Royce Spectre
Side by side
| BMW i4 | Rolls-Royce Spectre | |
|---|---|---|
| $788 | Your annual fuel cost | $1,177 |
| 116 MPGe | Combined efficiency | 77 MPGe |
| 117 MPGe | City | 74 MPGe |
| 114 MPGe | Highway | 82 MPGe |
| 29.2 kWh | Electricity use (kWh/100 mi) | 43.6 kWh |
| 266 mi | Driving range | 277 mi |
| 90 cu ft | Passenger volume | 94 cu ft |
| 10 cu ft | Cargo volume | 10 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 9/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 8 hrs | Charge time at 240V | 12 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (250 kW) | Engine / motor | Electric motors (550 kW) |
| Single-speed | Transmission | Single-speed |
| RWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
BMW i4 vs Rolls-Royce Spectre across model years
- BMW i4
- Rolls-Royce Spectre
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
The Rolls-Royce Spectre goes farther between stops: about 277 miles on a charge, compared with 266 miles for the BMW i4.
Per EPA interior volume figures, the Rolls-Royce Spectre has more passenger space (94 vs. 90 cu ft).
Among 26 2025 compact cars, the BMW i4 ranks 1st and the Rolls-Royce Spectre 6th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 BMW i4 or the 2025 Rolls-Royce Spectre?
Measured by cost to drive, the BMW i4. The BMW i4 is rated 116 MPGe combined and the Rolls-Royce Spectre 77 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 BMW i4 vs. the Rolls-Royce Spectre per year?
At 15,000 miles a year with 18¢/kWh electricity, about $788 for the BMW i4 and $1,177 for the Rolls-Royce Spectre.
Which has more range?
The Rolls-Royce Spectre: about 277 miles versus 266 miles.
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