High cost performance. The 4s shop maintenance fund can go to the store for maintenance when its vehicle is damaged, which is more convenient and most of them will attach a lot of benefits, which is cost-effective. The staff in the store will also know more about the vehicle model and be more careful and familiar with the maintenance. 4S shop, the full name of which is automobile sales service 4S shop, is an automobile sales enterprise integrating vehicle sales, spare parts, after-sales service and information investigation.