How much does the grade of oil you use affect your gas mileage?
Written by The Wiz on January 26th, 2009
Lendorien asked: Whenever I get my oil change, this question comes up. Is the expensive sythetic oil worth it? What benefits does it have, both for your gas mileage and your engine? Is it worth paying $25 bucks more an oil change to get it?Powered by Yahoo Answers