Coke vs Dr Pepper Caffeine

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*

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Sources:
us.coca-cola.com
kdpproductfacts.com