I went from 32.5 to 38 the extra 6 feet makes a big difference. There is no difference between towing or backing as far as I'M concerned. Very few time have I had problems in any park state, US, COE or Private of getting it in. The space and floor plan is what you'll like going bigger.
This is my opinion.
Your smart for buying used.
As Glenn said more waxing.. But worth it..
Also I'd never buy a painted one I always feeling like I need to wash and wax.
But it's sure pretty.
Here is our floor plan