mpg on new cummins with 6 speed auto

From : chadchad

Q: what are you getting for mpg on the new big cummins with 6 speed automatic unloaded i have the 5.9 with 6 speed manual that im thinking of trading in .

Replies:

From : miles

chad wrote what are you getting for mpg on the new big cummins with 6 speed automatic unloaded i have the 5.9 with 6 speed manual that im thinking of trading in the new 6.7l doesnt get as good of mpg as the 5.9l. however it will run away from it when put to work. mine gets about 14-15 city and 16-18 highway 75mph. many have said it will hit 20+ highway if kept to 60mph or under. towing 5000 lbs mine averages about 12-14 highway. ive talked to owners of new fords and chevy diesels and found similar results. the new emission controls have cut mpg down. but this 6.7l is a monster!! power is unbelievable. .