Non-turbo models

The non-turbo engine is designed to operate using unleaded gasoline with an octane rating of 87 AKI or higher.

    See also:

    New Chassis Tuning for 2011
    The Subaru Impreza WRX STI was already a highly optimized performance machine. Specific chassis tuning. Aluminum front lower L-arms reduce unsprung vehicle weight. Major chassis tuning changes inc ...

    Fan speed control dial
    Fan speed control dial The fan operates only with the ignition switch in the ON position. The fan speed control dial is used to select the AUTO (automatic control) mode or to select the desired fan s ...

    Rear seats
    WARNING Seatbelts provide maximum restraint when the occupant sits well back and upright in the seat. Do not put cushions or any other materials between occupants and seatbacks or seat cushions ...