A vehicle communication connection device and a method thereof are provided. The method includes determining at least one class identifier (CID) level applicable to a target application, determining at least one communication interface (CI) level applicable to the target application, mapping the determined CID level and the determined CI level to a predefined CID/CI mapping table, determining a final CID level to be used for the target application, and determining a final CI level corresponding to the determined final CID level.