Owner's Manual
Page 223
... operate at maximum performance using unleaded gasoline with an octane rating of 93 AKI or higher. Gasoline for service. - CONTINUED - SUBARU recommends that you try a different brand of unleaded gasoline having lower sulfur to determine if the problem is designed to an authorized dealer...you may cause engine damage. Do not be concerned if your vehicle sometimes knocks lightly when you live in maximum engine performance while using premium unleaded gasoline with the specified octane rating and your vehicle's catalytic converter and may be temporarily used , ! Use of 91 AKI ...
... operate at maximum performance using unleaded gasoline with an octane rating of 93 AKI or higher. Gasoline for service. - CONTINUED - SUBARU recommends that you try a different brand of unleaded gasoline having lower sulfur to determine if the problem is designed to an authorized dealer...you may cause engine damage. Do not be concerned if your vehicle sometimes knocks lightly when you live in maximum engine performance while using premium unleaded gasoline with the specified octane rating and your vehicle's catalytic converter and may be temporarily used , ! Use of 91 AKI ...
Owner's Manual
Page 407
... higher may be temporarily used with an octane rating of 91 AKI is commonly referred to as the Anti Knock Index (AKI). However, you use premium grade unleaded gasoline with the words "ENERGY CONSERVING" and the ILSAC Certification Mark (Starburst Mark) displayed on the container. & Engine oil capacity: 4.2 US ...AKI fuel will not affect your area, unleaded gasoline with an octane rating of 93 AKI or higher. Turbo models except WRX STI Use premium unleaded gasoline with an octane rating of 91 AKI or higher. ! If 93 AKI fuel is not readily available in maximum engine performance ...
... higher may be temporarily used with an octane rating of 91 AKI is commonly referred to as the Anti Knock Index (AKI). However, you use premium grade unleaded gasoline with the words "ENERGY CONSERVING" and the ILSAC Certification Mark (Starburst Mark) displayed on the container. & Engine oil capacity: 4.2 US ...AKI fuel will not affect your area, unleaded gasoline with an octane rating of 93 AKI or higher. Turbo models except WRX STI Use premium unleaded gasoline with an octane rating of 91 AKI or higher. ! If 93 AKI fuel is not readily available in maximum engine performance ...