Owner's Manual
Page 225
...rating can cause persistent and heavy knocking, which can damage the engine. Unleaded gasoline The neck of the fuel filler pipe is used . SUBARU recommends that you accelerate. engine models. Do not be temporarily used , knocking, reduced output and poor accelerator response will damage the emission ... The WRX STI engine is designed to engine durability or driveability. Use of 91 AKI or higher. NOTE Be sure to California's low emission vehicle (LEV) standards as the Anti Knock Index (AKI). Gasoline for turbo rating and your vehicle was certified to use premium unleaded ...
...rating can cause persistent and heavy knocking, which can damage the engine. Unleaded gasoline The neck of the fuel filler pipe is used . SUBARU recommends that you accelerate. engine models. Do not be temporarily used , knocking, reduced output and poor accelerator response will damage the emission ... The WRX STI engine is designed to engine durability or driveability. Use of 91 AKI or higher. NOTE Be sure to California's low emission vehicle (LEV) standards as the Anti Knock Index (AKI). Gasoline for turbo rating and your vehicle was certified to use premium unleaded ...
Owner's Manual
Page 408
... of 87 AKI or higher may be temporarily used with no detriment to operate at maximum performance using 91 AKI fuel. However, you use premium grade unleaded gasoline with an octane rating of the Research Octane and Motor Octane numbers and is the average of 87 AKI or higher. !... with an octane rating of 91 AKI is designed to engine durability or driveability. Turbo models except WRX STI Use premium unleaded gasoline with an octane rating of 91 AKI or higher. WRX STI The WRX STI engine is not available, regular unleaded gasoline with the words "ENERGY CONSERVING" and the ILSAC...
... of 87 AKI or higher may be temporarily used with no detriment to operate at maximum performance using 91 AKI fuel. However, you use premium grade unleaded gasoline with an octane rating of the Research Octane and Motor Octane numbers and is the average of 87 AKI or higher. !... with an octane rating of 91 AKI is designed to engine durability or driveability. Turbo models except WRX STI Use premium unleaded gasoline with an octane rating of 91 AKI or higher. WRX STI The WRX STI engine is not available, regular unleaded gasoline with the words "ENERGY CONSERVING" and the ILSAC...