Sales representatives to contact customers on the edge of creating customer value are important human resources that influence on the success or failure of a number of marketing strategies. And the market competitiveness of the company is determined by their competency. This study aims to identify the core competencies of car salespeople using competency modeling technique and suggest the educational order of priority on the corporate education by the Importance -Performance Analysis(IPA). The result of this study showed three competency clusters that contain twelve core competencies and suggested credibility and achievement orientation skills as a priority developing competency. The implications of this study are as follows: first, competencies related personnel values and attitudes are becoming more important than customer-focused ones to meet the needs of customers. Second, it is important that the ability to impart a good impression at the first meeting with customers as well as controling their own emotions. Third, It is necessary to develop emotional competence to activate informal networks within an organization and appealing sensitivity of customers. Key words : car salespeople, competency, competency modeling, cooperate education