2024 head-to-head · Compact Car
2024 BMW 3 Series Plug-in Hybrid 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 2024 Rolls-Royce Spectre is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,120 a year to fuel (81 MPGe), versus $1,754 for the 2024 BMW 3 Series Plug-in Hybrid (73 MPGe + 27 MPG). That's roughly $634 a year, or about $3,169 over five years.
Your numbers
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Fuel cost over 10 years
- BMW 3 Series Plug-in Hybrid
- Rolls-Royce Spectre
Side by side
| BMW 3 Series Plug-in Hybrid | Rolls-Royce Spectre | |
|---|---|---|
| $1,754 | Your annual fuel cost | $1,120 |
| 73 MPGe + 27 MPG | Combined efficiency | 81 MPGe |
| 69 MPGe / 24 MPG | City | 77 MPGe |
| 78 MPGe / 32 MPG | Highway | 86 MPGe |
| 48 kWh | Electricity use (kWh/100 mi) | 41.5 kWh |
| 310 mi | Driving range | 291 mi |
| 22 mi | All-electric range | — |
| 94 cu ft | Passenger volume | 94 cu ft |
| 9 cu ft | Cargo volume | 10 cu ft |
| 158 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 7/10 | EPA fuel economy score | 9/10 |
| 8/10 | EPA greenhouse gas score | 10/10 |
| 3 hrs | Charge time at 240V | 11 hrs |
| Plug-in hybrid | Powertrain | Electric |
| Premium gas + electricity | Fuel | Electricity |
| 2.0L 4-cyl turbo | Engine / motor | Electric motors (550 kW) |
| 8-speed automatic | 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 3 Series Plug-in Hybrid vs Rolls-Royce Spectre across model years
- BMW 3 Series Plug-in Hybrid
- 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 BMW 3 Series Plug-in Hybrid goes farther between stops: about 310 miles on a full tank and charge, compared with 291 miles for the Rolls-Royce Spectre.
Per EPA interior volume figures, the Rolls-Royce Spectre has more cargo space (10 vs. 9 cu ft).
Among 28 2024 compact cars, the BMW 3 Series Plug-in Hybrid ranks 13th and the Rolls-Royce Spectre 5th for lowest fuel cost.
Because the Rolls-Royce Spectre is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the BMW 3 Series Plug-in Hybrid; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2024 BMW 3 Series Plug-in Hybrid or the 2024 Rolls-Royce Spectre?
Measured by cost to drive, the Rolls-Royce Spectre. The BMW 3 Series Plug-in Hybrid is rated 73 MPGe + 27 MPG combined and the Rolls-Royce Spectre 81 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2024 BMW 3 Series Plug-in Hybrid vs. the Rolls-Royce Spectre per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,754 for the BMW 3 Series Plug-in Hybrid and $1,120 for the Rolls-Royce Spectre.
Which has more range?
The BMW 3 Series Plug-in Hybrid: about 310 miles versus 291 miles.
Which has more cargo space?
The Rolls-Royce Spectre, with 10 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).
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