2018 head-to-head · Subcompact Car
2018 BMW i3 vs BMW i3 Plug-in Hybrid
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 0.6L 2-cyl · Single-speed · 109 MPGe + 35 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 $933 for the 2018 BMW i3 Plug-in Hybrid (109 MPGe + 35 MPG). That's roughly $161 a year, or about $803 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
- BMW i3 Plug-in Hybrid
Side by side
| BMW i3 | BMW i3 Plug-in Hybrid | |
|---|---|---|
| $772 | Your annual fuel cost | $933 |
| 118 MPGe | Combined efficiency | 109 MPGe + 35 MPG |
| 129 MPGe | City | 117 MPGe / 36 MPG |
| 106 MPGe | Highway | 101 MPGe / 33 MPG |
| 28.6 kWh | Electricity use (kWh/100 mi) | 31 kWh |
| 114 mi | Driving range | 180 mi |
| — | All-electric range | 97 mi |
| 84 cu ft | Passenger volume | 84 cu ft |
| 15 cu ft | Cargo volume | 15 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 29 g/mi |
| 10/10 | EPA fuel economy score | 10/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 5 hrs | Charge time at 240V | 5 hrs |
| Electric | Powertrain | Plug-in hybrid |
| Electricity | Fuel | Premium gas + electricity |
| Electric motor (125 kW) | Engine / motor | 0.6L 2-cyl |
| Single-speed | Transmission | Single-speed |
| 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 BMW i3 Plug-in Hybrid across model years
- BMW i3
- BMW i3 Plug-in Hybrid
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 i3 Plug-in Hybrid goes farther between stops: about 180 miles on a full tank and charge, compared with 114 miles for the BMW i3.
Among 44 2018 subcompact cars, the BMW i3 ranks 1st and the BMW i3 Plug-in Hybrid 3rd 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 BMW i3 Plug-in Hybrid; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2018 BMW i3 or the 2018 BMW i3 Plug-in Hybrid?
Measured by cost to drive, the BMW i3. The BMW i3 is rated 118 MPGe combined and the BMW i3 Plug-in Hybrid 109 MPGe + 35 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 BMW i3 vs. the BMW i3 Plug-in Hybrid 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 $933 for the BMW i3 Plug-in Hybrid.
Which has more range?
The BMW i3 Plug-in Hybrid: about 180 miles versus 114 miles.
BMW i3 vs BMW i3 Plug-in Hybrid in other years
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