2015 Mercedes-Benz GL-Class
3 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| GL450 4matic | 17 | 21 | 19 | Premium Gasoline | 4-Wheel Drive | 3L 6-cyl Turbo | Automatic 7-spd |
| GL550 4matic | 13 | 18 | 15 | Premium Gasoline | 4-Wheel Drive | 4.7L 8-cyl Turbo | Automatic 7-spd |
| GL63 AMG | 13 | 17 | 14 | Premium Gasoline | 4-Wheel Drive | 5.5L 8-cyl Turbo | Automatic 7-spd |