2018 head-to-head · Compact Car
2018 BMW 3 Series Plug-in Hybrid vs Infiniti Q50 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 · 2.0L 4-cyl turbo · 8-speed automatic · 71 MPGe + 30 MPG
The 2018 BMW 3 Series 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 $1,722 a year to fuel (71 MPGe + 30 MPG), versus $2,043 for the 2018 Infiniti Q50 Hybrid (29 MPG). That's roughly $322 a year, or about $1,608 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 3 Series Plug-in Hybrid
- Infiniti Q50 Hybrid
Side by side
| BMW 3 Series Plug-in Hybrid | Infiniti Q50 Hybrid | |
|---|---|---|
| $1,722 | Your annual fuel cost | $2,043 |
| 71 MPGe + 30 MPG | Combined efficiency | 29 MPG |
| 66 MPGe / 28 MPG | City | 27 MPG |
| 78 MPGe / 34 MPG | Highway | 32 MPG |
| 47 kWh | Electricity use (kWh/100 mi) | — |
| 350 mi | Driving range | — |
| 14 mi | All-electric range | — |
| 96 cu ft | Passenger volume | 100 cu ft |
| 9 cu ft | Cargo volume | 9 cu ft |
| 189 g/mi | Tailpipe CO₂ (g/mi) | 308 g/mi |
| 9/10 | EPA fuel economy score | 6/10 |
| 10/10 | EPA greenhouse gas score | 6/10 |
| 2 hrs | Charge time at 240V | — |
| Plug-in hybrid | Powertrain | Hybrid |
| Premium gas + electricity | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.5L 6-cyl |
| 8-speed automatic | Transmission | 7-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 3 Series Plug-in Hybrid vs Infiniti Q50 Hybrid across model years
- BMW 3 Series Plug-in Hybrid
- Infiniti Q50 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
Per EPA interior volume figures, the Infiniti Q50 Hybrid has more passenger space (100 vs. 96 cu ft).
Among 44 2018 compact cars, the BMW 3 Series Plug-in Hybrid ranks 25th and the Infiniti Q50 Hybrid 31st for lowest fuel cost.
The powertrains differ: the BMW 3 Series Plug-in Hybrid is a plug-in hybrid, while the Infiniti Q50 Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2018 BMW 3 Series Plug-in Hybrid or the 2018 Infiniti Q50 Hybrid?
Measured by cost to drive, the BMW 3 Series Plug-in Hybrid. The BMW 3 Series Plug-in Hybrid is rated 71 MPGe + 30 MPG combined and the Infiniti Q50 Hybrid 29 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 BMW 3 Series Plug-in Hybrid vs. the Infiniti Q50 Hybrid per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,722 for the BMW 3 Series Plug-in Hybrid and $2,043 for the Infiniti Q50 Hybrid.
BMW 3 Series Plug-in Hybrid vs Infiniti Q50 Hybrid in other years
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