Vehicle performance development is a broad concept, involving all aspects of the car, the source or customer experience. Figure 1 shows the results of market research, indicating the importance of performance-related items in customer car experience. This paper tries to elaborate the concept of overall vehicle performance development in detail. Including the performance development team, process, core document vehicle technical specification (VTS), as well as performance verification and feedback methods, so that the vehicle performance development is market-oriented, with quantitative indicators and processes to ensure the smooth development.