Warren Buffett guzzles 5 cans of Coke daily - but he drank Pepsi for nearly 50 years before switching soda brands The 93-year-old investor and Berkshire Hathaway chief dumped Pepsi after a former neighbor sent him some Cherry Coke samples in 1985. https://markets.businessinsider.com/news/stocks/warren-buffett-switched-cherry-coke-pepsi-neighbor-don-keough-2019-11