2015 head-to-head · Midsize & Large SUV
2015 BMW M vs Mercedes-Benz ML-Class 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.
4WD · 2.1L 4-cyl turbo · 7-speed automatic · 25 MPG
The 2015 Mercedes-Benz ML-Class 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 $2,220 a year to fuel (25 MPG), versus $2,370 for the 2015 BMW M (25 MPG). That's roughly $150 a year, or about $750 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 M
- Mercedes-Benz ML-Class Diesel
Side by side
| BMW M | Mercedes-Benz ML-Class Diesel | |
|---|---|---|
| $2,370 | Your annual fuel cost | $2,220 |
| 25 MPG | Combined efficiency | 25 MPG |
| 21 MPG | City | 22 MPG |
| 31 MPG | Highway | 29 MPG |
| 82 cu ft | Passenger volume | — |
| 10 cu ft | Cargo volume | — |
| 361 g/mi | Tailpipe CO₂ (g/mi) | 413 g/mi |
| 6/10 | EPA fuel economy score | 6/10 |
| 6/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Diesel |
| Premium gasoline | Fuel | Diesel |
| 3.0L 6-cyl turbo | Engine / motor | 2.1L 4-cyl turbo |
| 8-speed automatic | Transmission | 7-speed automatic |
| RWD | Drivetrain | 4WD |
✓ 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 M vs Mercedes-Benz ML-Class Diesel across model years
- BMW M
- Mercedes-Benz ML-Class 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
Among 45 2015 midsize & large SUVs, the BMW M ranks 12th and the Mercedes-Benz ML-Class Diesel 8th for lowest fuel cost.
The powertrains differ: the BMW M is a conventional gas model, while the Mercedes-Benz ML-Class Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2015 BMW M or the 2015 Mercedes-Benz ML-Class Diesel?
Measured by cost to drive, the Mercedes-Benz ML-Class Diesel. The BMW M is rated 25 MPG combined and the Mercedes-Benz ML-Class Diesel 25 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 BMW M vs. the Mercedes-Benz ML-Class Diesel per year?
At 15,000 miles a year with $3.95/gal premium gas and $3.70/gal diesel fuel, about $2,370 for the BMW M and $2,220 for the Mercedes-Benz ML-Class Diesel.
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