2018 · Subcompact Car · Plug-in hybrid
2018 BMW i3 Plug-in Hybrid MPG & fuel economy
The 2018 BMW i3 Plug-in Hybrid is a subcompact car with one EPA-rated configuration. This plug-in hybrid covers about 97 miles on electricity (109 MPGe), then returns 35 MPG on gas. Efficiency is unchanged from the 2017 model. Among 44 subcompact cars rated for 2018, it ranks 3rd for lowest fuel cost. At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $933 a year to fuel.
What will it cost you?
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Fuel average
The 2018 BMW i3 Plug-in Hybrid's fuel average is 14.9 km/L (6.7 L/100 km), or 35 MPG combined: 15.3 km/L in the city and 14.0 km/L on the highway. On electricity it is rated 109 MPGe.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City (gas) | 36 | 15.3 | 6.5 |
| Highway (gas) | 33 | 14.0 | 7.1 |
| Combined (gas) | 35 | 14.9 | 6.7 |
How it ranks among 2018 Subcompact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
i3 Plug-in Hybrid MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 0.6L 2-cyl · Single-speed i3 (94Ah) with Range Extender |
Plug-in hybrid | 117 MPGe + 36 MPG | 101 MPGe + 33 MPG | 109 MPGe + 35 MPG | 180 mi | $933 |
Specs (most efficient configuration)
- Fuel
- Premium gas + electricity
- Engine / motor
- 0.6L 2-cyl
- Transmission
- Single-speed
- Drivetrain
- RWD
- Electricity use
- 31 kWh/100 mi
- All-electric range
- 97 mi
- Charge time (240V)
- 5 hrs
- Passenger volume
- 84 cu ft
- Cargo volume
- 15 cu ft
- Tailpipe CO₂
- 29 g/mi
- EPA fuel economy score
- 10/10
- EPA greenhouse gas score
- 10/10
2018 BMW i3 Plug-in Hybrid vs. rivals
Compare the 2018 i3 Plug-in Hybrid
With any other car from any year, including other i3 Plug-in Hybrid model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2018 BMW i3 (118 MPGe)
Frequently asked questions
What is the gas mileage of the 2018 BMW i3 Plug-in Hybrid?
Up to 109 MPGe + 35 MPG combined.
What fuel does the 2018 BMW i3 Plug-in Hybrid use?
Premium gas + electricity (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2018 BMW i3 Plug-in Hybrid?
The 2018 BMW i3 Plug-in Hybrid's fuel average is 14.9 km/L (6.7 L/100 km), or 35 MPG combined: 15.3 km/L in the city and 14.0 km/L on the highway. On electricity it is rated 109 MPGe.
How much does it cost to fuel the 2018 BMW i3 Plug-in Hybrid per year?
About $933 at 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, or $6.22 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.