I know thins is a pretty comen Q. But what are folks out there getting for highway and towing mpg? I m mainly intersted in the F-350 crew cab and f-250 ext cab. and to see if ther is much of a diff. pulss I just want to know what yall are gettin gno matter what year. J.

 

'94.5 F-250 extended cab 4x4 5-speed 4.11 gears

Mine averages 15mpg in town. I've got as good as 22mpg on the hiway with the cruise set at 55.

 

will bigger tires, incress mpg or other way around, how about tires and towing. smaller better or bigger?/ Any one Else Hvaw power stroke MPG