Super vs. Regular, Any MPG gain?
 

Have you seen anything empirical to suggest a MPG gain with Super?

RE: Super vs. Regular, Any MPG gain?
 

nils.....I've tried it in a couple of different cars. If there was a difference, it must be very small, becauseI could not see any difference. I've seen reports that say you can't gain enough to justify the higher price. Checkout this website: http://www.cartalk.com/content/featu...ium/myths.html