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2018 Mercedes-Benz G-Class vs 2018 Mercedes-Benz GLA-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
Specification2018 Mercedes-Benz G-Class2018 Mercedes-Benz GLA-Class
Engine
EngineVaries by configuration: 5.5L 8-cylinder turbocharged (SIDI), 6.0L 12-cylinder turbocharged, 4.0L 8-cylinder turbocharged (SIDI)Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI; FFV)
Displacement4.0 L to 6.0 L2.0 L
Cylinders8 to 124
AspirationTurbochargedTurbocharged
Fuel typeGasolineVaries by configuration: Gasoline, Flex fuel
Transmission and drivetrain
TransmissionAutomaticAutomatic
Gears77
Drivetrain4WDVaries by configuration: 4WD, FWD
Fuel economy and range
Combined13 mpg (18.1 L/100 km) to 11 mpg (21.4 L/100 km)27 mpg (8.7 L/100 km) to 25 mpg (9.4 L/100 km)
City13 mpg (18.1 L/100 km) to 11 mpg (21.4 L/100 km)24 mpg (9.8 L/100 km) to 22 mpg (10.7 L/100 km)
Highway15 mpg (15.7 L/100 km) to 11 mpg (21.4 L/100 km)33 mpg (7.1 L/100 km) to 28 mpg (8.4 L/100 km)