Non-turbo models

The engine is designed to operate using unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher.

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    Modification of your vehicle
    CAUTION Your vehicle should not be modified other than with genuine SUBARU parts and accessories. Other types of modifications could affect its performance, safety or durability, and may even vio ...

    EXTERIOR
    The 2011 STi oozes speed. My test vehicle was the new four-door wide-body sedan with an intimidating-looking rear spoiler intended to amplify the car's aerodynamics. The spoiler definitely took a ...

    Checking the oil level
    Non-turbo models 1) Yellow handle Turbo models except STI Check the oil level monthly. 1. Park the vehicle on a level surface and stop the engine. 2. Pull out the level gauge, wipe it clean, and ...