2018 Mercedes-Benz G-Class vs 2018 Mercedes-Benz GLS-Class
Published figures side by side. Rows where our sources have no value for a vehicle read “Not available”. Configurations differ within a model year, so ranges are shown where they apply.
| Specification | 2018 Mercedes-Benz G-Class | 2018 Mercedes-Benz GLS-Class |
|---|---|---|
| Engine | ||
| Engine | Varies by configuration: 5.5L 8-cylinder turbocharged (SIDI), 6.0L 12-cylinder turbocharged, 4.0L 8-cylinder turbocharged (SIDI) | Varies by configuration: 5.5L 8-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 4.7L 8-cylinder turbocharged (SIDI) |
| Displacement | 4.0 L to 6.0 L | 3.0 L to 5.5 L |
| Cylinders | 8 to 12 | 6 to 8 |
| Aspiration | Turbocharged | Turbocharged |
| Fuel type | Gasoline | Gasoline |
| Transmission and drivetrain | ||
| Transmission | Automatic | Automatic |
| Gears | 7 | 7 to 9 |
| Drivetrain | 4WD | 4WD |
| Fuel economy and range | ||
| Combined | 13 mpg (18.1 L/100 km) to 11 mpg (21.4 L/100 km) | 19 mpg (12.4 L/100 km) to 15 mpg (15.7 L/100 km) |
| City | 13 mpg (18.1 L/100 km) to 11 mpg (21.4 L/100 km) | 17 mpg (13.8 L/100 km) to 13 mpg (18.1 L/100 km) |
| Highway | 15 mpg (15.7 L/100 km) to 11 mpg (21.4 L/100 km) | 22 mpg (10.7 L/100 km) to 18 mpg (13.1 L/100 km) |