To determine the value of a specific trailer, it's best to get a professional appraisal from a licensed appraiser who can physically inspect the trailer and take into account all relevant factors that might impact its worth. Online pricing guides and classified listings can also give you a general idea of market prices for similar trailers, but keep in mind that actual selling prices may vary and could be influenced by specific buyer preferences and bargaining.
For an accurate price estimate, consider contacting park trailer dealers or researching recently sold comparable trailers in your area, taking into account any additional or missing features of interest.