If your meaning a 6.0l powerstroke diesel, mine gets around 14mpg around town, also this is with a chip.
I have a 91 rs 305 v8 and get about 19 mpg.
The best you will get on the highway is around 24 mpg with either the V8 or V6.
the mpg of a 79 faimont v8 is around 18-20 city and 22-24 highway.
I have a 1987 Ford F-250 with a 7.5 liter V8 in it and i believe i get 5 mpg.
10 to 12 MPG
2005 FORD EXPLORER 4.0L V6 - - - combined MPG of 18.5 MPG 4.6L V8 - - - combined MPG of 17.5 MPG
Depending on what engine it has it will be bad. You would be lucky to get 17 on a V8.
v8 approx 15-18 mpg hwy
For a 4.7 Litre, 16-18 mpg is typical.
10
I get appx 14 mpg on my 1990 F-150 with the 5.8L V8. Jimmy Sanders, Montgomery, AL
6 to 8 mpg