Question: how much caffeine does soda have compared to coffee?
Answer: Coffee Has More Caffeine Than Soda The typical caffeinated soda has between 25 and 50 milligrams of caffeine. In comparison, a 6-ounce cup of arabica coffee has around 100 milligrams of caffeine, and a shot of espresso contains about 70 milligrams. (Coffea robusta has twice as much caffeine as coffea arabica.)