Took a round trip from St.Louis to South Padre Island and while my 46+ mpg's don't get braggin' rights I'm pretty impressed. It's such a long drive I was only trying to get there and ran on average 6 mph over the "speed limit". As many long stretches (most of Texas) have a 75 mph limit I was in general holding about 81/82 mph and I assume this is still on winter gas formula. My car computer said I was doing 48.8 mpg but on the whole milage and fuel done by hand I got 46.2 Pretty sure if I ran like I should for milage I could of had over 50 but hey, in a hurry and pretty happy. As my wife and I are small we could even set up a little bed and rolled straight through in 22 hours.