Is it reasonable for BYD to charge 6200 for auto financial services?

Unreasonable. It is unreasonable for BYD to charge 6200 yuan for auto finance service. Financial service fee refers to the fees charged by financial institutions to provide financial services, but neither 4S stores nor auto companies are financial institutions, and they are not qualified and entitled to charge financial service fees. Dealers shall clearly indicate the prices of automobiles, accessories and other related products and the charging standards of various services in the business field in an appropriate form, and shall not increase prices or charge extra fees beyond the marked price.