I put 188,000 miles on my 1968 UltraVan and average 15.1 mpg generally cruising at 60 mph. The 22 ft, all aluminum class A coach weighs 3,500 lbs empty. As for the 18,000 lb Hurricane, the best mileage was 8.4 mpg driving 55-60 mph on Interstates; not towing. The worst was 6.4 mpg wandering through the Canadian Rockies again not towing. Generally it gets about 7.2 mpg towing (including lots of A/C) at 56-60 mph.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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