The 2015 Ford F-250 diesel truck with a 6.0L Diesel engine has a fuel mileage between 13.7 and 16.6 mpg. The 6.4L engine gets between 12.2 and 14 mpg. The 6.7L gets 13.9 to 15.5 mpg, and the 7.3L has a fuel mileage between 12 and 15.5 mpg.
The Ford F-250 is a series of pickup trucks that feature many powerful engines, both in gas and diesel varieties. The most powerful diesel engine found in one of these trucks is the 7.3L V8. The most powerful gas-powered F-250 is the 5.4L V8. The 2015 model is available with three different cabins: crew cab, regular cab and super cab.