I use my 05 to commute daily, 50 miles round trip. I ride year round, unless there is snow or ice on the roads
In the cold weather (15° - 40°) I get 37-38 MPG. In 41° to 75° I get 38-40 MPG and 76° to 95° I get 40 - 43 MPG.
I haven't ever had a tank get over 43 MPG. Sure would like to be one...