This dissertation investigates the impact of price wars on the UK supermarket industry, focusing on Tesco and Asda. It examines how the entry of German discount retailers like Aldi and Lidl has affected sales, profits, and market share. The study employs a purposive sampling method to collect data from Tesco and Asda managers and uses quantitative data analysis. The findings reveal that price wars have impacted employees, suppliers, customers, and market share, and the dissertation recommends innovative product and service development to enhance competitiveness. The research explores the factors influencing customer shopping habits, retailer pricing strategies, and the future of discount retailers, providing a comprehensive analysis of the competitive landscape and the challenges faced by major players in the UK retail market. The study also addresses the significance of the research at both academic and organizational levels, highlighting its contribution to understanding the effects of price wars on business operations and strategy formulation.