If you worry about your mpg with any RV you should have done your research before your bought it. Now, that I flamed you. MPG really sucks with gassers towing anything or not. Our 2016 Journey DP averages about 8 mpg dragging anything or not behind it. Slow down especially with headwinds. You have to find your unit's sweet spot. It might not be fast enough for your schedule but it does help the mpg. In our 2016 Winnebago Journey the spot is about 68 mph. In the mountains all bets are off. Sometimes I'm happy to see 7 mpg on a tank.