2015 head-to-head · Compact Car
2015 BMW 3 Series Diesel 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.
The 2015 BMW 3 Series Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.95/gal premium gas, it costs about $1,542 a year to fuel (36 MPG), versus $1,911 for the 2015 Infiniti Q50 Hybrid (31 MPG). That's roughly $370 a year, or about $1,848 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 Diesel
- Infiniti Q50 Hybrid
Side by side
| BMW 3 Series Diesel | Infiniti Q50 Hybrid | |
|---|---|---|
| $1,542 | Your annual fuel cost | $1,911 |
| 36 MPG | Combined efficiency | 31 MPG |
| 31 MPG | City | 29 MPG |
| 43 MPG | Highway | 36 MPG |
| 96 cu ft | Passenger volume | 100 cu ft |
| 13 cu ft | Cargo volume | 9 cu ft |
| 285 g/mi | Tailpipe CO₂ (g/mi) | 286 g/mi |
| 9/10 | EPA fuel economy score | 8/10 |
| 8/10 | EPA greenhouse gas score | 8/10 |
| Diesel | Powertrain | Hybrid |
| Diesel | 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 Diesel vs Infiniti Q50 Hybrid across model years
- BMW 3 Series Diesel
- 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); the BMW 3 Series Diesel has more cargo space (13 vs. 9 cu ft).
Among 52 2015 compact cars, the BMW 3 Series Diesel ranks 19th and the Infiniti Q50 Hybrid 33rd for lowest fuel cost.
The powertrains differ: the BMW 3 Series Diesel is a diesel, while the Infiniti Q50 Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2015 BMW 3 Series Diesel or the 2015 Infiniti Q50 Hybrid?
Measured by cost to drive, the BMW 3 Series Diesel. The BMW 3 Series Diesel is rated 36 MPG combined and the Infiniti Q50 Hybrid 31 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 BMW 3 Series Diesel vs. the Infiniti Q50 Hybrid per year?
At 15,000 miles a year with $3.70/gal diesel fuel and $3.95/gal premium gas, about $1,542 for the BMW 3 Series Diesel and $1,911 for the Infiniti Q50 Hybrid.
Which has more cargo space?
The BMW 3 Series Diesel, with 13 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).
BMW 3 Series Diesel vs Infiniti Q50 Hybrid in other years
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