18-25 I got 18 once when I drove a tank full of gas and stayed under 2K the whole time, even accelerating. Now, if I drive it normally (IE: 3k to 2nd then like 3k or 4k to 3rd and 3k to 4th) I usually get like 18 to 20mpg city. When I took a 1800 mile round trip to Illinois and back from...