2015 head-to-head · Midsize & Large SUV
2015 BMW X5 vs Mercedes-Benz GL-Class
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 X5 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel (22 MPG), versus $3,118 for the 2015 Mercedes-Benz GL-Class (19 MPG). That's roughly $425 a year, or about $2,126 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 X5
- Mercedes-Benz GL-Class
Side by side
| BMW X5 | Mercedes-Benz GL-Class | |
|---|---|---|
| $2,693 | Your annual fuel cost | $3,118 |
| 22 MPG | Combined efficiency | 19 MPG |
| 19 MPG | City | 17 MPG |
| 27 MPG | Highway | 21 MPG |
| 412 g/mi | Tailpipe CO₂ (g/mi) | 479 g/mi |
| 5/10 | EPA fuel economy score | 4/10 |
| 5/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 3.0L 6-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 X5 vs Mercedes-Benz GL-Class across model years
- BMW X5
- Mercedes-Benz GL-Class
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 X5 ranks 29th and the Mercedes-Benz GL-Class 39th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 BMW X5 or the 2015 Mercedes-Benz GL-Class?
Measured by cost to drive, the BMW X5. The BMW X5 is rated 22 MPG combined and the Mercedes-Benz GL-Class 19 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 BMW X5 vs. the Mercedes-Benz GL-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,693 for the BMW X5 and $3,118 for the Mercedes-Benz GL-Class.
BMW X5 vs Mercedes-Benz GL-Class in other years
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