Our 26 ft Freedom Elite got 8.1 mpg on its first long trip and managed to “improve” to about 8.5 with about 8000 miles of use and Mobil 1 synthetic. The first trip was a windy trip to the Grand Canyon and the second was a tour of the upper peninsula. Drove slower and that probably helped more than anything. But also less “highway” driving in Michigan. I think mid 8s is about as good as it gets on an E450 motorhome..
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