2015 head-to-head · Large Car
2015 BMW 7 Series vs BMW 7 Series Diesel
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 3.0L 6-cyl turbo · 8-speed automatic · 26 MPG
The 2015 BMW 7 Series Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and $3.70/gal diesel fuel, it costs about $2,135 a year to fuel (26 MPG), versus $2,693 for the 2015 BMW 7 Series (22 MPG). That's roughly $559 a year, or about $2,793 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 7 Series
- BMW 7 Series Diesel
Side by side
| BMW 7 Series | BMW 7 Series Diesel | |
|---|---|---|
| $2,693 | Your annual fuel cost | $2,135 |
| 22 MPG | Combined efficiency | 26 MPG |
| 19 MPG | City | 23 MPG |
| 28 MPG | Highway | 31 MPG |
| 107 cu ft | Passenger volume | 115 cu ft |
| 14 cu ft | Cargo volume | 14 cu ft |
| 396 g/mi | Tailpipe CO₂ (g/mi) | 387 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Diesel |
| Premium gasoline | Fuel | Diesel |
| 3.0L 6-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| RWD | Drivetrain | AWD |
✓ 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 7 Series vs BMW 7 Series Diesel across model years
- BMW 7 Series
- BMW 7 Series Diesel
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 BMW 7 Series Diesel has more passenger space (115 vs. 107 cu ft).
Among 29 2015 large cars, the BMW 7 Series ranks 20th and the BMW 7 Series Diesel 15th for lowest fuel cost.
The powertrains differ: the BMW 7 Series is a conventional gas model, while the BMW 7 Series Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2015 BMW 7 Series or the 2015 BMW 7 Series Diesel?
Measured by cost to drive, the BMW 7 Series Diesel. The BMW 7 Series is rated 22 MPG combined and the BMW 7 Series Diesel 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 BMW 7 Series vs. the BMW 7 Series Diesel per year?
At 15,000 miles a year with $3.95/gal premium gas and $3.70/gal diesel fuel, about $2,693 for the BMW 7 Series and $2,135 for the BMW 7 Series Diesel.
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