Application of the National Association of Sellers of Motor Vehicles, Repair and Parts, Ganvam, which allows access to the values ​​of vehicles in the second-hand market, by make, model, version and age, contemplating up to 12 years. This information, only available to members of the Association, is a reflection of the real sales made by professionals to the end customer in the second-hand market. A good number of vehicle sales companies, whether they are official dealers or independent sales companies, provide the corresponding data of the actual sales operations they carry out of used vehicles, providing more than 8,000 monthly data, information that serves as the basis, among others, for the preparation of the GANVAM Used Vehicle Values ​​Bulletin. These values ​​of V.O. They have been published by Ganvam since 1966 and their prestige, backed by 50 years of reference in the market, has made them a daily work tool for professionals in the vehicle trade in Spain.