2021 Mercedes-Benz GLC-Class vs 2021 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 | 2021 Mercedes-Benz GLC-Class | 2021 Mercedes-Benz GLS-Class |
|---|---|---|
| Engine | ||
| Engine | Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 4.0L 8-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI) | Varies by configuration: 4.0L 8-cylinder turbocharged (SIDI; Mild Hybrid), 3.0L 6-cylinder turbocharged (SIDI; Mild Hybrid) |
| Displacement | 2.0 L to 4.0 L | 3.0 L to 4.0 L |
| Cylinders | 4 to 8 | 6 to 8 |
| Aspiration | Turbocharged | Turbocharged |
| Fuel type | Gasoline | Hybrid |
| Transmission and drivetrain | ||
| Transmission | Automatic | Automatic |
| Gears | 9 | 9 |
| Drivetrain | Varies by configuration: 4WD, RWD | 4WD |
| Fuel economy and range | ||
| Combined | 25 mpg (9.4 L/100 km) to 17 mpg (13.8 L/100 km) | 21 mpg (11.2 L/100 km) to 16 mpg (14.7 L/100 km) |
| City | 22 mpg (10.7 L/100 km) to 15 mpg (15.7 L/100 km) | 20 mpg (11.8 L/100 km) to 14 mpg (16.8 L/100 km) |
| Highway | 29 mpg (8.1 L/100 km) to 22 mpg (10.7 L/100 km) | 24 mpg (9.8 L/100 km) to 18 mpg (13.1 L/100 km) |