2018 head-to-head · Subcompact Car
2018 BMW i3 Plug-in Hybrid vs Karma Revero
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
RWD · 2.0L 4-cyl turbo · Single-speed · 60 MPGe + 20 MPG
The 2018 BMW i3 Plug-in Hybrid 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 $933 a year to fuel (109 MPGe + 35 MPG), versus $2,015 for the 2018 Karma Revero (60 MPGe + 20 MPG). That's roughly $1,082 a year, or about $5,412 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 Plug-in Hybrid
- Karma Revero
Side by side
| BMW i3 Plug-in Hybrid | Karma Revero | |
|---|---|---|
| $933 | Your annual fuel cost | $2,015 |
| 109 MPGe + 35 MPG | Combined efficiency | 60 MPGe + 20 MPG |
| 117 MPGe / 36 MPG | City | 59 MPGe / 20 MPG |
| 101 MPGe / 33 MPG | Highway | 61 MPGe / 21 MPG |
| 31 kWh | Electricity use (kWh/100 mi) | 56 kWh |
| 180 mi | Driving range | 240 mi |
| 97 mi | All-electric range | 37 mi |
| 84 cu ft | Passenger volume | 89 cu ft |
| 15 cu ft | Cargo volume | 7 cu ft |
| 29 g/mi | Tailpipe CO₂ (g/mi) | 151 g/mi |
| 10/10 | EPA fuel economy score | 8/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 5 hrs | Charge time at 240V | 3.8 hrs |
| Plug-in hybrid | Powertrain | Plug-in hybrid |
| Premium gas + electricity | Fuel | Premium gas + electricity |
| 0.6L 2-cyl | Engine / motor | 2.0L 4-cyl turbo |
| 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 Plug-in Hybrid vs Karma Revero across model years
- BMW i3 Plug-in Hybrid
- Karma Revero
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 Karma Revero goes farther between stops: about 240 miles on a full tank and charge, compared with 180 miles for the BMW i3 Plug-in Hybrid.
Per EPA interior volume figures, the Karma Revero has more passenger space (89 vs. 84 cu ft); the BMW i3 Plug-in Hybrid has more cargo space (15 vs. 7 cu ft).
Among 44 2018 subcompact cars, the BMW i3 Plug-in Hybrid ranks 3rd and the Karma Revero 13th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 BMW i3 Plug-in Hybrid or the 2018 Karma Revero?
Measured by cost to drive, the BMW i3 Plug-in Hybrid. The BMW i3 Plug-in Hybrid is rated 109 MPGe + 35 MPG combined and the Karma Revero 60 MPGe + 20 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 BMW i3 Plug-in Hybrid vs. the Karma Revero per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $933 for the BMW i3 Plug-in Hybrid and $2,015 for the Karma Revero.
Which has more range?
The Karma Revero: about 240 miles versus 180 miles.
Which has more cargo space?
The BMW i3 Plug-in Hybrid, with 15 cu ft of luggage volume versus 7 cu ft (EPA interior volume index).
BMW i3 Plug-in Hybrid vs Karma Revero in other years
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