In this study, the analysis centers on the Brand Coverage Strategy developed by Stellantis Pro One. The intention being the examination of the industrial, economic, and organizational effects within the European Light Commercial Vehicle (LCV) market. The strategy is not only a plan for the rationalization of the business, because it represents an evolutionary approach to strategic management, having the capability to integrate industrial rationalization, business differentiation, and governance within a single operational framework. By employing a mixed-method approach combining qualitative analysis and quantitative simulations carried out on the K9 platform, the research demonstrates the Group’s new three-level line packaging architecture, Smart Model, Mid Trim, and High Trim, proves the capability to enhance market share, profit realization, and the optimal organization of the product line without an augmentation of fixed costs and production capacities.