2018 · Subcompact Car · Electric

2018 BMW i3 range & efficiency

The 2018 BMW i3 is a subcompact car offered in 2 EPA-rated configurations. Its most efficient version is rated 118 MPGe combined (28.6 kWh per 100 miles) with an EPA range of 114 miles. Across the lineup, combined ratings range from 112 to 118 MPGe. That's down 6 MPGe from the 2017 model. Among 44 subcompact cars rated for 2018, it ranks 1st for lowest fuel cost. At 15,000 miles a year with 18¢/kWh electricity, it costs about $772 a year to fuel.

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Efficiency 118 MPGe 129 MPGe city · 106 MPGe hwy

Driving range 114 mi 5 hrs to charge at 240V

Your fuel cost $772 15,000 mi/yr · $5.15 per 100 mi

Class rank, 2018 #1 of 44 Subcompact Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Electricity $/kWh

$5.87to charge from empty (~33 kWh from the wall)

114 mion a full charge

Energy use

The 2018 BMW i3 uses 28.6 kWh per 100 miles (17.8 kWh/100 km), which is 3.5 miles per kWh or 118 MPGe combined.

	Value
Combined	118 MPGe
Energy use	28.6 kWh/100 mi
Metric	17.8 kWh/100 km
Miles per kWh	3.50

How it ranks among 2018 Subcompact Cars

Full class ranking →

1BMW i3118 MPGe $772
2Fiat 500e112 MPGe $810
3BMW i3 Plug-in Hybrid109 MPGe + 35 MPG $933
4Chevrolet Spark33 MPG $1,409
5Ford Fiesta31 MPG $1,500
···
44Toyota Mirai67 MPGe $8,060

2018 i3Other subcompact carsClass median: $2,370/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

i3 MPGe across model years

Full history →

2 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · Electric motor (125 kW) · Single-speed i3 (94Ah)	Electric	129 MPGe	106 MPGe	118 MPGe	114 mi	$772
RWD · Electric motor (125 kW) · Single-speed i3s (94Ah)	Electric	126 MPGe	99 MPGe	112 MPGe	107 mi	$810

Specs (most efficient configuration)

Fuel: Electricity
Engine / motor: Electric motor (125 kW)
Transmission: Single-speed
Drivetrain: RWD
Electricity use: 28.6 kWh/100 mi
Charge time (240V): 5 hrs
Passenger volume: 84 cu ft
Cargo volume: 15 cu ft
Tailpipe CO₂: 0 g/mi
EPA fuel economy score: 10/10
EPA greenhouse gas score: 10/10

2018 BMW i3 vs. rivals

vs BMW i3 Plug-in Hybrid 109 MPGe + 35 MPG · $933/yr i3 saves $161/yr vs Audi A3 29 MPG · $1,603/yr i3 saves $831/yr vs Lexus LC Hybrid 30 MPG · $1,975/yr i3 saves $1,203/yr vs Audi TT Coupe 26 MPG · $1,788/yr i3 saves $1,016/yr vs Karma Revero 60 MPGe + 20 MPG · $2,015/yr i3 saves $1,243/yr vs Lexus RC 26 MPG · $2,279/yr i3 saves $1,507/yr

Compare the 2018 i3

With any other car from any year, including other i3 model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2018 BMW i3 Plug-in Hybrid (109 MPGe + 35 MPG)

Frequently asked questions

What is the range of the 2018 BMW i3?

The EPA rates the 2018 BMW i3 at up to 114 miles on a full charge.

How efficient is the 2018 BMW i3?

Up to 118 MPGe combined, which is 28.6 kWh per 100 miles.

What is the efficiency in kWh/100 km for the 2018 BMW i3?

The 2018 BMW i3 uses 28.6 kWh per 100 miles (17.8 kWh/100 km), which is 3.5 miles per kWh or 118 MPGe combined.

How much does it cost to charge a 2018 BMW i3?

Charging from empty to its full 114-mile EPA range draws about 33 kWh from the wall (charging losses included), which costs about $6 at 18¢/kWh. Public DC fast charging usually costs two to three times more.

How much does it cost to fuel the 2018 BMW i3 per year?

About $772 at 15,000 miles a year with 18¢/kWh electricity, or $5.15 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.