Ford super duty mileage 2011 Source Source Source Source Source Source Source Source Source Source Read Also: 2010 Ford super duty gas mileage 2011 Ford super duty 6.2 fuel mileage 2011 Ford super duty diesel fuel mileage 2011 Ford super duty gas mileage 2011 Ford f 250 super duty gas mileage Ford f250 super duty 2011 mpg