Resources of an enterprise are mainly used at pre-production, in process, and post-production after delivery of products to customers. With the increasing competition, the importance of efficient use of resources and quality costs concepts has emerged. The quality cost concepts that have recently been widely used by businesses makes a contribution to a company's productivity. In this study, a bus and midibus production company is chosen and, there is an analysis of its quality costs and its efforts to decrease quality costs. This paper illuminates the efforts to introduce and implement quality cost measures' by one automobile manufacturer, and is a real life case analysis. The costs that existed in production are shown in this study. The methodology adopted here is the implementation of a case analysis. The Company has a production period and several steps for a productive production process. The quality cost report is prepared monthly, once every six months and annually; and there is comparison of the quality cost variations of every quality cost element, such as scrap, rework, warranty expenses, and service modifications. The company also particularly focuses on failure costs (nonconformance costs), and performs works or studies to decrease these costs.