53_willysExplorerNov 06, 2016MileageI just replaced my 2001 7.3 powerstroke with a new 2016 6.7 powerstroke 4X4 I know the 6.7 won't get the mileage that my old truck got but once it's broke in what kind of mileage are you 6.7 owners ...Show More
FishOnOneNomadNov 07, 2016City Driving: 16.4 - 17.1 mpgHwy Driving: 18-20 mpgHwy driving is really dependent on wind speed. If my truck regens on a trip it will drop .5 mpg.