F350 vs F450 towing and fuel economy
I am trying to choose between the older (poss 2008-2010) F350 and F450. It will mainly be used to haul trailers back and forth so I prefer the dual rear wheels and like that the 450 has more payload a...
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The 2008 F450 came with either 4:88 or 4:30, after the job 2 build it was 4:30 only. The F350 was either 4:30, 3:73, 3:55s. I have the 08 F450 with 4:88s empty at 65mph it will do 12.5 to 13 mpg, towing 14K up it will do 6.5 to 8 mpg. I think you will see a little better with the 4:30 due to lower engine rpm while cruising.
