The subject of this paper is the sale of used cars. Given the great technological advances in the automotive industry, the fact that today's market is developing daily, and competition is a big, main goal of the research was to identify key processes of selling used cars. For the purpose of achieving the main goal in this paper, a secondary (analysis of the content of the relevant literature, Internet sources and documentation of the selected enterprise) and primary (semi-structured interviews on the management population, sample size of six respondents) was conducted. Research results show that the most common methods of selling used motor vehicles are personal sales and sales methods via the Internet. Also, the essential properties of the seller to successfully sell used motor vehicles are patience and perseverance, knowledge of the rules of good behavior, knowledge of their abilities, products and the company. Finally, the research shows that appropriate methods and negotiation techniques are in the process of selling motor vehicles so that the seller of negotiations should be guided by the other party (buyer) sees professionalism, flexibility, clear sales plan, sense of respect, domination and provocation with patience and without hurry making decisions. The recommendation for further research would be to research the market in relation to the best-selling brand of used vehicle, which would result in higher profits in the company, which would benefit both the owner and the sales advisors who could further invest in themselves and their sales skills.