Originally Posted by
ShaolinLueb
i use 87 for the Oldsmobile. when i went to Florida i did an experiment. 87 way down 93 way up. the difference in gas mileage wasn't that great to justify using it a lot. i think i paid 3.29 last time with my 10 cent discount.
you know that vehicles that don't require premium don't magically run better on premium right? Most people will find a decrease in mileage using a premium fuel in a non-premium vehicle.