Our bagged Odyssey gets low 20s with the bike on back. I took it down to Gatlinburg with just the Grom (and with standard wheels/tires) and was averaging 27. The factory hitch package can support just enough to haul the aluminum carrier and a 250f comfortably but a steel carrier might be pushing it. The Grom is stretched about 4 inches and squeezes in snugly between the doors so its super easy to load in one side and out the other. Not the cheapest setup with the air ride setup but it sure is nice to unload when the carrier is only a foot off the ground!