The automobile sector in India has experienced significant growth over the past decade, driven by rising consumer incomes, urbanization, and rapid technological progress. In this competitive environment, effective marketing strategies and digital advertising practices have become essential for strengthening brand visibility and influencing consumer purchase behavior. This study examines the major marketing approaches used by leading automobile manufacturers in India, with particular focus on the expanding role of digital advertising. It explores how companies combine traditional marketing tools—such as print media, television commercials, outdoor promotions, and dealership activities—with modern digital methods including social media campaigns, search engine marketing, influencer partnerships, online video advertisements, and targeted mobile ads. The research also highlights the shifting behavior of consumers who increasingly depend on digital platforms for information, comparison, and decision-making. The effectiveness of digital advertising across platforms like Facebook, Instagram, YouTube, Google Ads, and automobile review websites is assessed, emphasizing the impact of personalized content and data analytics on consumer engagement. Findings indicate that the Indian automobile industry is actively adapting to fast-changing market conditions by strengthening digital transformation efforts while maintaining localized promotional strategies. The study concludes by offering suggestions for enhancing marketing practices and identifying potential areas for future research.