1, product category difference: Dr. Pepper is a spicy seasoning, mainly composed of pepper, salt, spices and other ingredients, used to flavor food. And Coca-Cola is a carbonated beverage, mainly composed of water, sugar, carbon dioxide, spices and other ingredients, used to quench thirst, taste and refreshment.

2, brand difference: Dr. Pepper is a seasoning brand, by the United States McCormick company (McCormick&Company) production and sales. And Coca-Cola is a carbonated beverage brand, produced and sold by The Coca-Cola Company (TheCoca-ColaCompany).