When you say "swapping" it sounds like you are going to trade. If so, get ready to take a big hit on the trade. If time is not an issue as it may take several months to sell I would list it in RVtrader and/or Craigs list, but don't list it too low as you can always come down.
If you are in a hurry you may want to bite the bullet and trade it in. Be sure to work with several dealers in your area. One thing on trading in, depending on your state, is you may only pay sales tax on the difference which could save you somewhere in the area of $4000. Most dealers will likely show the "A" at MSRP and show more than you paid as a trade in value.
We had a less than a year old TT and wanted/needed to go to a Class C and figured it would be futile to attempt to sell it as it was so new and did not want to wait six months. Worked with 5 dealers with the intention of buying from a close one for service reasons and this helped get the price to where it was not too painful. Ended up buying from a family run dealership only 45 minutes from home.
2016 Forester 3011DS
2015 Toyota Corrola S toad
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99 Terry 31G