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2010 Hummer H3 vs 2010 Mazda CX-7

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
Specification2010 Hummer H32010 Mazda CX-7
Engine
EngineVaries by configuration: 3.7L 5-cylinder, 5.3L 8-cylinder (FFV)Varies by configuration: 2.3L 4-cylinder turbocharged, 2.5L 4-cylinder
Displacement3.7 L to 5.3 L2.3 L to 2.5 L
Cylinders5 to 84
AspirationNot availableTurbocharged
Fuel typeVaries by configuration: Gasoline, Flex fuelGasoline
Transmission and drivetrain
TransmissionVaries by configuration: Automatic, ManualAutomatic
Gears4 to 55 to 6
Drivetrain4WDVaries by configuration: FWD, 4WD
Fuel economy and range
Combined16 mpg (14.7 L/100 km) to 14 mpg (16.8 L/100 km)23 mpg (10.2 L/100 km) to 19 mpg (12.4 L/100 km)
City14 mpg (16.8 L/100 km) to 13 mpg (18.1 L/100 km)20 mpg (11.8 L/100 km) to 17 mpg (13.8 L/100 km)
Highway18 mpg (13.1 L/100 km) to 16 mpg (14.7 L/100 km)28 mpg (8.4 L/100 km) to 23 mpg (10.2 L/100 km)