Diet Dr Pepper Caffeine Compared to Everything

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Diet Dr Pepper has about 41mg of caffeine per 12 oz can. This page lines it up against every drink we have compared it to, sorted strongest first, so you can see exactly where it lands. Every number is the standard published value, sourced on each comparison page.

How Diet Dr Pepper compares

Every Diet Dr Pepper comparison

• Diet Dr Pepper vs Starbucks Pike Place (grande) (310mg per 16 oz grande)
• Diet Dr Pepper vs Bang (300mg per 16 oz can)
• Diet Dr Pepper vs Reign Total Body Fuel (300mg per 16 oz can)
• Diet Dr Pepper vs Dunkin iced coffee (medium) (297mg per 24 oz medium)
• Diet Dr Pepper vs Dunkin hot coffee (medium) (210mg per 14 oz medium)
• Diet Dr Pepper vs Starbucks cold brew (grande) (205mg per 16 oz grande)
• Diet Dr Pepper vs Celsius (200mg per 12 oz can)
• Diet Dr Pepper vs Prime Energy (200mg per 12 oz can)
• Diet Dr Pepper vs Alani Nu (200mg per 12 oz can)
• Diet Dr Pepper vs 5-hour Energy (regular) (200mg per 1.93 oz shot)
• Diet Dr Pepper vs Super Coffee (200mg per 12 oz bottle)
• Diet Dr Pepper vs C4 Performance Energy (200mg per 16 oz can)
• Diet Dr Pepper vs Monster (160mg per 16 oz can)
• Diet Dr Pepper vs Rockstar Original (160mg per 16 oz can)
• Diet Dr Pepper vs Starbucks Doubleshot Espresso & Cream (120mg per 6.5 oz can)
• Diet Dr Pepper vs Bawls Guarana (102mg per 16 oz bottle)
• Diet Dr Pepper vs brewed coffee (95mg per 8 oz cup)
• Diet Dr Pepper vs yerba mate (85mg per 8 oz cup)
• Diet Dr Pepper vs Red Bull (80mg per 8.4 oz can)
• Diet Dr Pepper vs espresso (63mg per 1 oz shot)
• Diet Dr Pepper vs matcha (60mg per 8 oz cup (1 tsp, ~2g))
• Diet Dr Pepper vs Mountain Dew (54mg per 12 oz can)
• Diet Dr Pepper vs Diet Mountain Dew (54mg per 12 oz can)
• Diet Dr Pepper vs Mountain Dew Code Red (54mg per 12 oz can)
• Diet Dr Pepper vs brewed black tea (47mg per 8 oz cup)
• Diet Dr Pepper vs Diet Coke (46mg per 12 oz can)
• Diet Dr Pepper vs Dr Pepper (41mg per 12 oz can)
• Diet Dr Pepper vs Pepsi (38mg per 12 oz can)
• Diet Dr Pepper vs Pepsi Wild Cherry (38mg per 12 oz can)
• Diet Dr Pepper vs Coca-Cola Classic (34mg per 12 oz can)
• Diet Dr Pepper vs brewed green tea (28mg per 8 oz cup)

For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.

Compare it yourself

Want a matchup that is not listed? The caffeine comparison tool puts Diet Dr Pepper against any of 248 drinks, and the full caffeine chart shows everything at once.

FAQ

How much caffeine is in Diet Dr Pepper? About 41mg per 12 oz can, the standard published figure.

What has more caffeine than Diet Dr Pepper? Among the drinks compared here, Starbucks Pike Place (grande) is at the strong end with 310mg per 16 oz grande.

What has less caffeine than Diet Dr Pepper? On the lighter end, brewed green tea has 28mg per 8 oz cup.