The use of 400V powertrains in smaller electric vehicles (EVs) could significantly reduce production costs, making them more competitive in the market. By leveraging economies of scale, manufacturers may be able to reduce their prices and increase adoption rates. However, technological limitations and regulatory frameworks could hinder or accelerate the transition. As the industry continues to evolve, it is crucial to weigh these factors and consider the potential impact on consumer affordability, environmental sustainability, and overall energy efficiency.