2011 Ford F-250 Super Duty XL 4dr Crew Cab SB (6.2L 8cyl 6A)
I took a 1k trip last weekend empty. Set the cruise on 75 and got 15.5 which I'm thinking is a good start since not everything is flat here. On the way back I ran 80+ mph and got into the 13mpg range but can't expect much at that speed. When pulling my 15,000, 4 slide 5th wheel I use the manual shift option and that eliminates any up and down shifting unless I want to and I'm able to maintain a nice power range keeping the tach in the 2200 - 2800 area or wherever I need it. Very satisfied so far. Had a 2005 6.o before.
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