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661 Views 4 Replies 4 Participants Last post by  SUVord
I do know that in the USA the octane number is calculated as RON+MON/2 while in Europe is just RON.
That means roughly that 91octane in the USA is the same as 95octane in Europe.
In general the European equivalent is adding 4 to the American value.
Australia and Canada:What octane calculations standards apply in your countries?
I know I could google for the answers but then I would lose one post and you shall stay in your lazy hibernation.
I'm always looking after you.
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Not sure how it compares but most stations here in Canada offer 87 as regular octane and premium as at least 93 octane.
At a little over a dollar a litre I tend to stick to the regular grade.
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