Vehicle platform sharing and modular platforms are product development and manufacturing methods wherein different components and brands share the same products or parts. The main objective of this platform type is to reduce the overall cost of the design and production process. This deliverable gives an overview of the underlying processes and benefits of modularity and shared platforms at different stages of vehicle development. A thorough case study of Volkswagen Groups powertrain modularity and platform strategy has been discussed in the market insight. Furthermore, overviews of approaches for applying modularity to other vehicle manufacturers are also outlined.