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Why would you need 94 octane fuel when 87 is all that is required by the auto manufacturers?
Oh no, not high performance German cars. I owned an Audi, it required a minimum of 92 octane.
I usually get the higher octane levels in the winter time, when it hits minus 30 or lower below.
It doesn't freeze, besides it works great as a fuel injector cleaner. So, every now and then, even in the summer I use it.
Plus, you get a lot more milage out of it.