Non-turbo models

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

    See also:

    Limited slip differential (LSD) (STI)
    The LSD provides optimum distribution of power according to the difference in revolutions between the right and left wheels that may be caused by certain driving conditions, thereby improving driving ...

    Precautions to observe when handling a compact disc
    Use only compact discs (CDs, CD-Rs and CD-RWs) that have the mark shown in the following. Also, some compact discs cannot be played. - You cannot use a DualDisc in the CD player. If you i ...

    Spark plugs
    It may be difficult to replace the spark plugs. It is recommended that you have the spark plugs replaced by your SUBARU dealer. The spark plugs should be replaced according to the maintenance ...