88 vs 90 octane

Discussion in 'Prius c Main Forum' started by Michael Lynn, Jul 13, 2014.

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xraydoug Active Member

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Roseburg, Oregon

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2013 Prius c

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Two

coyote303 said: ↑

I'm confident that Toyota has done better testing than any individual has done or will do here. I also believe if higher octane gave better mileage that Toyota would suggest we use it--or at least they would outline the benefits of using it and leave it up to us. After all, they would love to up those already high EPA mileage estimates further. That would result in selling more cars. So, color me skeptical if someone claims here they are getting some amazing mileage increase solely due to using a higher octane gas.
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I was skeptical also. I sugest you run your tank low then spring the extra 5 dollars for the higher octane and see. I was surprised when I did, because I was not expecting any change.

#41 xraydoug, Jul 18, 2014

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