In general, energy drinks have more caffeine than soda. This is true for Red Bull when comparing it to the caffeine content in Coke.
The table below shows that a 12 fluid ounce serving of Red Bull has 114 milligrams of caffeine versus 34 milligrams for the same size serving of Coke. In other words, there is over three times the amount of caffeine in Red Bull compared to Coke.
Red Bull vs Coke Caffeine
|Serving Size||12 fl oz (1 can)||12 fl oz (1 can)|
Note that the other popular can size for Red Bull is 8.4 fluid ounces. This serving size has 80 milligrams of caffeine per can. The Coke can size closest to this Red Bull can size is the 7.5 fluid ounces Coke (mini can). This size Coke has 21 milligrams of caffeine.
Red Bull vs Coke vs Coffee: Caffeine
An approximate 12 fluid ounce cup of coffee has about 144 milligrams of caffeine per the USDA. However, keep in mind that the caffeine content in coffee can vary greatly primarily based on how it is brewed and the type of coffee used.
Generally, Red Bull has about the same or less caffeine than coffee. Most sodas, including Coke, have much less caffeine than a cup of coffee.