2021 head-to-head · Midsize & Large SUV
2021 BMW X5 vs Mercedes-Benz G-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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2021 BMW X5 (18 MPG) costs about $3,292 a year to fuel and the 2021 Mercedes-Benz G-Class (18 MPG) about $3,292.
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 G-Class
Side by side
| BMW X5 | Mercedes-Benz G-Class | |
|---|---|---|
| $3,292 | Your annual fuel cost | $3,292 |
| 18 MPG | Combined efficiency | 18 MPG |
| 16 MPG | City | 17 MPG |
| 22 MPG | Highway | 19 MPG |
| 488 g/mi | Tailpipe CO₂ (g/mi) | 494 g/mi |
| 3/10 | EPA fuel economy score | 3/10 |
| 3/10 | EPA greenhouse gas score | 3/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 4.4L 8-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 8-speed automatic | Transmission | 9-speed automatic |
| AWD | 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 G-Class across model years
- BMW X5
- Mercedes-Benz G-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 65 2021 midsize & large SUVs, the BMW X5 ranks 49th and the Mercedes-Benz G-Class 50th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2021 BMW X5 vs. the Mercedes-Benz G-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,292 for the BMW X5 and $3,292 for the Mercedes-Benz G-Class.
BMW X5 vs Mercedes-Benz G-Class in other years
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