I have a 2015 K27 Windsport. Normally I pull a 12 foot dual axle trailer with a heavy tool box, a large motorcycle, and at least a couple hundred pounds of other stuff. I have kept track of fuel mileage over the past 15,000 miles and it it about 7.5 mpg with a high of just over 10 mpg and a low of 4.3 mpg. The large variation probably has to do with the amount of fuel put in the tank at fill-ups (sometimes it might get filled more than other times.), terrain, and wind speed and direction. However, there is one more variable. How much has the generator been used between fill-ups? I keep track of the hours of use between fill ups and it can vary from zero to almost ten hours. Several hours of use will negatively affect fuel mileage in a big way.
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