First of all, speed is a major factor in fuel economy (not to mention safety), especially when towing. I never tow faster than 60 MPH -- after that, fuel economy takes a big dump.
When I tow our fully loaded 2720SL, ready for camping, with our Toyota Sequoia, I get 12-13 MPG on the highway. Without the trailer, I get about 20 MPG on the highway.
Dave
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2000 2720SL & 2007 3124KB
2005 Toyota Sequoia
Twin Battle Born 12v 100Ah LiFePO4 (BBGC2) batteries, 300W solar on rear shell, Link 10, Lift kit, Maxxis 8008 225 75/R15 E tires
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