Starting and operating

Turbo models

~1min read

The engine is designed to operate using premium unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher. If premium unleaded gasoline is not available, regular unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher may be temporarily used. For optimum engine performance and driveability, it is required that you use premium grade unleaded gasoline.

Test yourself

A quick Subaru Forester quiz: every answer comes with an explanation and a link to the manual page.