Quote:
Originally Posted by Texas Coyote
... European owners have claimed that their Fits are more powerful and get the best fuel mileage on 97octane fuel.
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That is also true here but in Europe the cost penalty for using premium is much less economical thanks to $8 and $9 a gallon gasolines.. Its cents per mile that counts.
Octane rating and heats of combustion are not the same thing.
Honda designed the 1500 engine to use the most available gasoline around the world - 87 octane but of varying energy levels.