Looking at trading in my 06 mega for a 2010 mega. I am getting 30MPG with my 06 and I know the new one is not going to get that, but would like some numbers before I decide. Thanks

 

the one 6.7 i have delt with got about 10-12 pulling a good load, and about 15-17 empty, but that was all stock, with some emission things "missing" from the 6.7 and a little tuning, i think you can get the millage up a bit on them

 

yeah all the 6.7L's i worked on and talkin with the owners, they've always said the samething thing...17 at best empty

when i was working for chrysler, we had a 07 2500 2WD with the 6.7L and 68RFE trans...at best it would hit 16.5 on the highway