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Like the good girl down the street she will take what you give her but Subaru suggest the good/expensive stuff.
Turbo engine require higher octane to prevent premature ignition.
look up turbo engines on wikkipedia
 

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717 Posts
premium only
 

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spend the extra 5 - 6 bucks and get the good stuff!!!!!!
 

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Highest grade when possible.
 

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Highest grade 91 lowest if you cant find 93. You dont want any knocks occuring in that engine. Spend the extra few bucks on the gas or spend a lot of money on the new engine. lol
 
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