We purchased an ETC 181 since there are only 2 of us, the 185 would work better for the 4 of you. Great little unit nicely made. If you get one make sure to check the AC unit mounting screws that go thru the roof, ours were loose & would have leaked if I hadn't checked other posts for possible issues. I agree with the other folks input, the Honda does not have the capacity to tow the trailer. Look for something with 5000 lbs or greater to be safe. Good luck!
2011 Tahoe w HD Tow Package
2011 Rockwood ETC 181