The average price of a used fifth wheel RV trailer is approximately $27,000, as of August 2015, as reported by RV sales site RVTrader.com. Used fifth wheel toy haulers are slightly more expensive, at an average price of $31,000 used.
The price of a used fifth wheel varies dramatically with the size, condition and amenities of the trailer in question. Some used fifth wheels can sell for as little as $1,200, while newer and more luxurious models can command over $150,000 even on the used market. Some vintage fifth-wheel trailers can also command high prices on the used market due to interest from collectors and enthusiasts.