Pepsi and Coke are the rivals or the most precise word would be like nemesis. Both try to lead the market by exposing other but, coke with its distinct set of marketing and advertising are little ahead with Pepsi but, there is always a tough competition between Pepsi and coke. Both have their own target audience and they both use it efficiently. well, it is very hard to say which is better because both are giants and ginormous.