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2015 Mercedes-Benz G-Class vs 2015 Mercedes-Benz GLK-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 comparison
Specification2015 Mercedes-Benz G-Class2015 Mercedes-Benz GLK-Class
Engine
EngineVaries by configuration: 5.5L 8-cylinder, 5.5L 8-cylinder turbocharged (SIDI)Varies by configuration: 2.1L 4-cylinder turbocharged, 3.5L 6-cylinder (SIDI; PZEV (SULEV) emissions), 3.5L 6-cylinder (SIDI)
Displacement5.5 L2.1 L to 3.5 L
Cylinders84 to 6
AspirationTurbochargedTurbocharged
Fuel typeGasolineVaries by configuration: Diesel, Gasoline
Transmission and drivetrain
TransmissionAutomaticAutomatic
Gears77
Drivetrain4WDVaries by configuration: 4WD, RWD
Fuel economy and range
Combined13 mpg (18.1 L/100 km)27 mpg (8.7 L/100 km) to 20 mpg (11.8 L/100 km)
City12 mpg (19.6 L/100 km)24 mpg (9.8 L/100 km) to 18 mpg (13.1 L/100 km)
Highway15 mpg (15.7 L/100 km) to 14 mpg (16.8 L/100 km)32 mpg (7.4 L/100 km) to 24 mpg (9.8 L/100 km)