OP, presuming with your questions that you don’t have any meaningful towing experience.
So take the responses with a grain of salt, as many folks believe in putting their own factors of safety on (which is ok) and then preaching them as gospel (when they are far from it).
First, a new Expe with towing package will EASILY and safely tow that trailer. No questions asked. Long or short wheelbase.
Second, I would suggest purchasing both units and then after driving them together as a pair, decide if you need any enhancements above and beyond a standard weight bearing hitch.
Better to have a basis for your hitch decisions vs throwing money at something you may not need.
