Quote:
Originally Posted by FrugalNinja250
I never really thought about it since everything I buy runs fine on 87 octane. Higher octane will have zero benefit on a motor designed to run lower octane fuels, and in fact will theoretically reduce fuel combustion efficiency and thus lower gas mileage.
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Higher octane fuel just burns a bit slower. For highly-tuned cars it's required, but not necessary on a 250.