just drove from louisiana to Destin, Florida.. and i am amazed, my ms3 got about 30-33 mpg on the highway.. at half of a tank, i got 200 miles on her, when i fill up it is about 12 gallons on E soo.. thats about 30 mpg!!! didnt know she had it in her to do that well.. that is cruising at about 75-80 the whole way..