Car navigation system and map version management method thereof

According to a car navigation system and a map version management method thereof, a version management method for a server having maps of different versions and a car navigation apparatus is suggested. The method of the present invention includes: managing an update history on the basis of guidance information included in a map, receiving the map update information included in search information in real time, reconstructing path guidance information of a terminal, and performing exact guidance on the terminal with search path information transmitted from the server.