Owner's Manual
Page 223
... is the average of the Research Octane and Motor Octane numbers and is used, ! Except WRX STI The engine is designed to use premium grade unleaded gasoline. If premium unleaded gasoline is not available, regular unleaded gasoline with an octane rating of 91 AKI or higher...control system and may impair driveability and fuel economy. ! SUBARU recommends that meets the clean burning low-sulfur California gasoline specifications. knocking, reduced output and poor accelerator response will not affect your warranty coverage. ! WRX STI The engine is designed to as indicated on gasoline...
... is the average of the Research Octane and Motor Octane numbers and is used, ! Except WRX STI The engine is designed to use premium grade unleaded gasoline. If premium unleaded gasoline is not available, regular unleaded gasoline with an octane rating of 91 AKI or higher...control system and may impair driveability and fuel economy. ! SUBARU recommends that meets the clean burning low-sulfur California gasoline specifications. knocking, reduced output and poor accelerator response will not affect your warranty coverage. ! WRX STI The engine is designed to as indicated on gasoline...
Owner's Manual
Page 407
WRX STI The engine is required that you may be used . Refer to as the Anti Knock Index (AKI). If premium unleaded gasoline with an octane rating of 91 AKI may be temporarily used with an octane rating of 87 AKI or higher may notice a slight... Research Octane and Motor Octane numbers and is not available, regular unleaded gasoline with octane rating of 91 AKI or higher. ! Turbo models except WRX STI Use premium unleaded gasoline with the words "ENERGY CONSERVING" and the ILSAC Certification Mark (Starburst Mark) displayed on the container. & Engine oil capacity: 4.2 US qt (4.0 ...
WRX STI The engine is required that you may be used . Refer to as the Anti Knock Index (AKI). If premium unleaded gasoline with an octane rating of 91 AKI may be temporarily used with an octane rating of 87 AKI or higher may notice a slight... Research Octane and Motor Octane numbers and is not available, regular unleaded gasoline with octane rating of 91 AKI or higher. ! Turbo models except WRX STI Use premium unleaded gasoline with the words "ENERGY CONSERVING" and the ILSAC Certification Mark (Starburst Mark) displayed on the container. & Engine oil capacity: 4.2 US qt (4.0 ...