> Does Civic Si require Premium gas (93+ octane) or is regular gas
> enough (87 octane?)
What YEAR?

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James - 29 Jun 2006 19:34 GMT
regular is enough
if its a new one honda recommends 93 for better performance
>> Does Civic Si require Premium gas (93+ octane) or is regular gas
>> enough (87 octane?)
>
> What YEAR?
The "Owner Link" at http://automobiles.honda.com/ says that,
for the 2005 Civic Si, regular unleaded is "required." (Of
course they mean that a minimum octane of 86 is needed.) But
for the 2006 Civic Si, it says premium unleaded is
"required."
Go to the site above for earlier Civic Sis.