Car Trailers For Sale In Scotland How Big Of A Trailer Can I Safely Pull Behind My Toyota 4Runner With A V6? Cross Country And Back Once Only.?

How big of a trailer can I safely pull behind my Toyota 4Runner with a V6? Cross country and back once only.? - car trailers for sale in scotland

I'm going to San Diego to New York and go back again. I would like) a trailer (or trailer or enclosed trailer and I'll try to know what size I can go. Auto sales people tell me just say one, and more people RV. What do you think?