don't know Amanda, i've been averaging upper 20s (28ish) on the v6 fusion I have, and if I baby it, that easily goes over 30. only thing I really want to do to the car is put some springs/shocks in it to set it down a little.. nothing agressive, but just enough.. other than that it's a great looking, driving, handling car... and I'm digging the Edge's and the new Flex..
just my opinion though