2018 head-to-head · Subcompact Car

2018 BMW i3 vs Lexus RC

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
2018 BMW i3Electric
$772/ year to fuel
118 MPGe
✓ Cheaper to run
$2,279/ year to fuel
26 MPG

The 2018 BMW i3 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 $772 a year to fuel (118 MPGe), versus $2,279 for the 2018 Lexus RC (26 MPG). That's roughly $1,507 a year, or about $7,533 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 i3
  • Lexus RC

Side by side

BMW i3Lexus RC
$772 Your annual fuel cost $2,279
118 MPGe Combined efficiency 26 MPG
129 MPGe City 22 MPG
106 MPGe Highway 32 MPG
28.6 kWh Electricity use (kWh/100 mi) —
114 mi Driving range —
84 cu ft Passenger volume 84 cu ft
15 cu ft Cargo volume 10 cu ft
0 g/mi Tailpipe CO₂ (g/mi) 345 g/mi
10/10 EPA fuel economy score 5/10
10/10 EPA greenhouse gas score 5/10
5 hrs Charge time at 240V —
Electric Powertrain Gas
Electricity Fuel Premium gasoline
Electric motor (125 kW) Engine / motor 2.0L 4-cyl turbo
Single-speed Transmission 8-speed automatic
RWD Drivetrain RWD

✓ 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 i3 vs Lexus RC across model years

  • BMW i3
  • Lexus RC

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

Per EPA interior volume figures, the BMW i3 has more cargo space (15 vs. 10 cu ft).

Among 44 2018 subcompact cars, the BMW i3 ranks 1st and the Lexus RC 21st for lowest fuel cost.

Because the BMW i3 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 Lexus RC; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2018 BMW i3 or the 2018 Lexus RC?

Measured by cost to drive, the BMW i3. The BMW i3 is rated 118 MPGe combined and the Lexus RC 26 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 BMW i3 vs. the Lexus RC per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $772 for the BMW i3 and $2,279 for the Lexus RC.

Which has more cargo space?

The BMW i3, with 15 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).

BMW i3 vs Lexus RC in other years

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