2015 head-to-head · Midsize Car
2015 BMW 5 Series vs Infiniti Q50
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 5 Series is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,576 for the 2015 Infiniti Q50 (23 MPG). That's roughly $297 a year, or about $1,486 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 5 Series
- Infiniti Q50
Side by side
| BMW 5 Series | Infiniti Q50 | |
|---|---|---|
| $2,279 | Your annual fuel cost | $2,576 |
| 26 MPG | Combined efficiency | 23 MPG |
| 23 MPG | City | 20 MPG |
| 33 MPG | Highway | 29 MPG |
| 102 cu ft | Passenger volume | 102 cu ft |
| 14 cu ft | Cargo volume | 14 cu ft |
| 338 g/mi | Tailpipe CO₂ (g/mi) | 384 g/mi |
| 7/10 | EPA fuel economy score | 5/10 |
| 7/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.7L 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 5 Series vs Infiniti Q50 across model years
- BMW 5 Series
- Infiniti Q50
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
Among 69 2015 midsize cars, the BMW 5 Series ranks 47th and the Infiniti Q50 54th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 BMW 5 Series or the 2015 Infiniti Q50?
Measured by cost to drive, the BMW 5 Series. The BMW 5 Series is rated 26 MPG combined and the Infiniti Q50 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 BMW 5 Series vs. the Infiniti Q50 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the BMW 5 Series and $2,576 for the Infiniti Q50.
BMW 5 Series vs Infiniti Q50 in other years
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