2027 head-to-head · Compact Car

2027 BMW i5 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.

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✓ Cheaper to run
2027 BMW i5Electric
$780/ year to fuel
116 MPGe
✓ Cheaper to run
$1,110/ year to fuel
82 MPGe

The 2027 BMW i5 is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $780 a year to fuel (116 MPGe), versus $1,110 for the 2027 Rolls-Royce Spectre (82 MPGe). That's roughly $329 a year, or about $1,647 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 i5
  • Rolls-Royce Spectre

Side by side

BMW i5Rolls-Royce Spectre
$780 Your annual fuel cost $1,110
116 MPGe Combined efficiency 82 MPGe
120 MPGe City 80 MPGe
113 MPGe Highway 84 MPGe
28.9 kWh Electricity use (kWh/100 mi) 41.1 kWh
328 mi Driving range 324 mi
98 cu ft Passenger volume 94 cu ft
11 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 11 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 i5 vs Rolls-Royce Spectre across model years

  • BMW i5
  • 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 i5 goes farther between stops: about 328 miles on a charge, compared with 324 miles for the Rolls-Royce Spectre.

Per EPA interior volume figures, the BMW i5 has more passenger space (98 vs. 94 cu ft); the BMW i5 has more cargo space (11 vs. 10 cu ft).

Among 13 2027 compact cars, the BMW i5 ranks 2nd and the Rolls-Royce Spectre 6th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2027 BMW i5 or the 2027 Rolls-Royce Spectre?

Measured by cost to drive, the BMW i5. The BMW i5 is rated 116 MPGe combined and the Rolls-Royce Spectre 82 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 BMW i5 vs. the Rolls-Royce Spectre per year?

At 15,000 miles a year with 18¢/kWh electricity, about $780 for the BMW i5 and $1,110 for the Rolls-Royce Spectre.

Which has more range?

The BMW i5: about 328 miles versus 324 miles.

Which has more cargo space?

The BMW i5, with 11 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).

BMW i5 vs Rolls-Royce Spectre in other years

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