From doing some research I found out that there are only two differences between Coke and Pepsi: a single ingredient and some minor changes in the number/amount of certain ingredients added.
From an article, it states: "It turns out that
Pepsi contains citric acid, while
Coke doesn't—and that's the one single difference in
ingredients between the two... In terms of nutritional facts, Coke has a little
more sodium than Pepsi, which makes the taste a bit less sweet. Pepsi has
more calories, sugar, and caffeine, so the taste is sweeter in that aspect as well."
Link However, I don't drink soda, so r i p o.