Coke (Coca-Cola) has less caffeine than Dr Pepper. Coke has about 2.83 milligrams whereas Dr Pepper has approximately 3.42 milligrams per ounce of soda.
Coke vs Dr Pepper Caffeine
The table below reflects the caffeine in Coke and Dr Pepper for their popular serving sizes.
|Serving Size||Coke – Caffeine||Dr Pepper – Caffeine|
|7.5 fl oz||21mg||26mg|
|8 fl oz||23mg||28mg|
|12 fl oz||34mg||41mg|
|16 fl oz||45mg||55mg|
|16.9 fl oz||48mg||58mg|
|20 fl oz||57mg||68mg|
Diet Coke vs Diet Dr Pepper Caffeine
Diet Coke actually has a bit more caffeine than Diet Dr Pepper. Diet Coke has about 3.83 milligrams and Diet Dr Pepper has around 3.42 milligrams of caffeine per ounce.
Here is the caffeine content for popular serving sizes of Diet Coke and Diet Dr Pepper:
|Serving Size||Diet Coke – Caffeine||Diet Dr Pepper – Caffeine|
|7.5 fl oz||28mg||26mg|
|8 fl oz||31mg||28mg|
|12 fl oz||46mg||41mg|
|16 fl oz||61mg||55mg|
|16.9 fl oz||64mg||58mg|
|20 fl oz||76mg||68mg|
Caffeine: Coke and Dr Pepper vs Other Beverages
While regular and diet versions of Coke and Dr Pepper have caffeine, the caffeine strength is considered low to moderate depending on the serving size.
Below you will find a comparison of the caffeine in Coke and Dr Pepper versus other beverages. This should provide you with a good idea of the level of caffeine in these beverages.
|Beverage||Serving Size||Caffeine (mg)|
|Dr Pepper (Regular)||12 fl oz||41|
|Diet Dr Pepper||12 fl oz||41|
|Coca-Cola Classic||12 fl||34|
|Diet Coke||12 fl oz||46|
|MTN Dew||12 fl oz||54|
|Diet MTN Dew||12 fl oz||54|
|Pepsi||12 fl oz||38|
|RC Cola||12 fl oz||43|
|Red Bull||12 fl oz||114|
|Monster Energy||12 fl oz||120|
|Coffee||12 fl oz||136*|