The article substantiates the necessity of using the information system as a powerful tool for ensuring the modern competitiveness of the motor vehicle enterprise in wartime. The research of domestic and foreign specialists on the issues of using information systems was analyzed. Modern computer information systems allow for continuous accounting and control of the state and movement of material, financial, and personnel resources at the auto enterprise, to receive quick information about the results of the auto enterprise in real time, to quickly prepare analytical documents, forecasts and works. Plans based on reliable and complete information about the company's activities, which is available at any time. Systematization of computer information, reduction of response time to all changes, optimization of the organizational structure of the auto enterprise, increase in the level of labor productivity, rationalization of the production structure, reduction of the volume of operational and management costs, increase in the level of effectiveness of management decisions due to the access of managers of all levels to a single computer information base. Computer information resources are one of the most important elements of the resource potential of the auto enterprise, which makes it possible to ensure the automation of all processes. It was found that information systems and technologies provide an opportunity to conduct continuous control and accounting for the condition and movement of goods and material, financial, as well as human resources at the auto enterprise, to receive information about the results of the auto enterprise's activities in the mode real time, quickly prepare analytical documents, forecasts and work plans based on reliable and complete information.