2026 Mercedes-Benz G-Class vs 2026 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 | 2026 Mercedes-Benz G-Class | 2026 Mercedes-Benz GLS-Class |
|---|---|---|
| Engine | ||
| Engine | Varies by configuration: 4.0L 8-cylinder turbocharged (SIDI; Mild Hybrid), 3.0L 6-cylinder supercharged (SIDI; Mild Hybrid) | Varies by configuration: 4.0L 8-cylinder turbocharged (SIDI; Mild Hybrid), 3.0L 6-cylinder supercharged (SIDI; Mild Hybrid) |
| Displacement | 3.0 L to 4.0 L | 3.0 L to 4.0 L |
| Cylinders | 6 to 8 | 6 to 8 |
| Aspiration | Varies by configuration: Turbocharged, Supercharged | Varies by configuration: Turbocharged, Supercharged |
| Fuel type | Varies by configuration: Hybrid, Electric | Hybrid |
| Transmission and drivetrain | ||
| Transmission | Automatic | Automatic |
| Gears | 9 | 9 |
| Drivetrain | 4WD | AWD |
| Fuel economy and range | ||
| Combined | 18 mpg (13.1 L/100 km) to 15 mpg (15.7 L/100 km) | 21 mpg (11.2 L/100 km) to 15 mpg (15.7 L/100 km) |
| City | 17 mpg (13.8 L/100 km) to 14 mpg (16.8 L/100 km) | 19 mpg (12.4 L/100 km) to 13 mpg (18.1 L/100 km) |
| Highway | 19 mpg (12.4 L/100 km) to 16 mpg (14.7 L/100 km) | 24 mpg (9.8 L/100 km) to 18 mpg (13.1 L/100 km) |
| Electric range | 239 mi (385 km) | Not available |