Quote:
Originally Posted by ShadMan
That's awfully low if you're talking about a diesel. My '11 gets 21 freeway, 15 city, and 16 towing a 6k lb boat on the highway. Got around 14 towing 10k once according to the lie-o-meter. I can't imagine what I'd have to tow to get 8mpg with the new diesel. Sounds like the mileage a POS Dodge would get while billowing black clouds of smoke and sounding like a whoopy cushion. 
Edit: You may want to have your dealer verify you have the latest flashes that increase horsepower and smooth the 4-5 tranny shift as well as changing shift points on the others. My mileage increased after the TCM update. |
I had the updated tranny program. Gave me more HP and torque. Lowered my fuel economy 1 mpg. I get 12 pulling a 30 ft. fifth wheel camper and 10 in the mountains. I get 17 around home and 19.5 to 20.5 on interstate empty. I have the 2011 F-250 4X4 four door. Love it. Had 2003 6.0. about he same mileage just a lot more power. My lie-o-meter is usually within a .5 MPG from the calculator.