The average retail value for a base 2015 Sierra travel trailer by Forest River is $51,700, according to NADAGuides.com. This model lacks amenities such as jacks and leveling systems, entertainment equipment, and appliances, all of which drive up the price.
NADAGuides.com provides average retail values for a wide range of travel trailers. An average retail value depends on the manufacturer, model, year, specifications and size.
The National Automotive Dealers Association publishes NADA guides and is a consumer resource center for analysis and data on all kinds of vehicles. It publishes the most comprehensive vehicle pricing guides for prefabricated homes, RVs, motorcycles, boats and travel trailers for almost every brand on the market.