C Cassie xx New member Sep 11, 2010 #1 I put whatever is the highest octane available. Sometimes it is 10% ethanol, sometimes not. Haven't paid close enough attention to notice a difference between the two as far as mileage is concerned.
I put whatever is the highest octane available. Sometimes it is 10% ethanol, sometimes not. Haven't paid close enough attention to notice a difference between the two as far as mileage is concerned.
