My best was 486.0 miles this past summer - averaged 45.0 MPG on 93 Premium Shell V-Power, 90% highway, from Erie, PA through NY (including an overnight in Rochester) and the twisties before fueling up in Lake George.
2012 Focus Ti Hatch | Ingot Silver | 401A, Nav, Winter Pkg, Moon Roof, Parking Tech. Pkg
Build Date: 12/2/2011 | New APIM: 4/4/2012
MFT: Factory v2.11, 3/14/12 Web -> v3.0.2, 9/24/12 Web -> v3.2.2, 1/24/13 Web -> v3.5.1, 8/13/13 Web -> v3.6