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Last updated: Aug 9, 2026

Port of Subs

Dr Pepper - 21 fl oz

Beverages - Fountain 21 fl ozPopular

Port of Subs Dr Pepper - 21 fl oz is carb-leaning, with about 100% of macro calories from carb. Each serving has 248 calories, 0g protein, 68.7g carbs, and 0g fat, making it a lighter restaurant option to compare with larger meals.

21 Fl oz

Serving Size

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248

Calories

Per serving

0 g

Protein

68.7 g

Carbs

0 g

Fat

Nutrition Facts

Amount per serving

Calories248 kcal

% Daily Value*

Total Fat 0 g0%

Saturated Fat 0 g0%

Trans Fat 0 g—

Cholesterol 0 mg0%

Sodium 76 mg3%

Total Carbohydrate 68.7 g25%

Dietary Fiber 0 g0%

Total Sugars 66.8 g—

Protein 0 g0%

Vitamin A—

Vitamin C—

Vitamin D—

Calcium—

Iron—

Potassium—

Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

248

kcal

Protein0 g (0%)

Carbs68.7 g (100%)

Fat0 g (0%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density0/10

0% of macro calories come from protein.

Satiety index1.6/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate62 min walk

About 25 minutes of running for these calories.

Key Nutrients

Protein 0 g0%

Fiber 0 g0%

Sodium 76 mg3%

Sugars 66.8 g—

Saturated Fat 0 g0%

How we calculate these values

Diet Compatibility

High protein0/10 protein density from 0g protein and 248 calories.No

Lower carb68.7g carbs per serving.No

Low fat0g total fat per serving.Yes

High sugar66.8g total sugars per serving.Yes

High sodium76mg sodium per serving.No

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Ingredients

Syrup Ingredients: High Fructose Corn Syrup, Water, Caramel Color, Phosphoric Acid, Caffeine, Sodium Benzoate (Preservative), Natural And Artificial Flavors, Dimethylpolysiloxane.

Similar Items in Beverages - Fountain 21 fl oz

View all

A&W Root Beer - 21 fl oz305 kcal · 0 g protein

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Dr Pepper - 21 fl oz has 3951 fewer calories than 2-Foot Brookie in a Box and 33.2g less protein. Compare

Dr Pepper - 21 fl oz has 2951 fewer calories than 2-Foot Brownie in a Box and 23.2g less protein. Compare

2-Foot Brookie in a Box4,199 kcal · 33.2 g protein2-Foot Brownie in a Box3,199 kcal · 23.2 g protein2-Foot Classic Sub Macaroni Salad Center3,815 kcal · 163.6 g protein2-Foot Classic Sub Potato Salad Center3,248 kcal · 158 g protein2-Foot Cookie in a Box3,000 kcal · 30 g protein4x4 Brookie954 kcal · 7.4 g protein

Compare with 2-Foot Brookie in a Box

Dr Pepper - 21 fl oz Compared With Nearby Items

Compared with A&W Root Beer - 21 fl oz, another Beverages - Fountain 21 fl oz item at Port of Subs, Dr Pepper - 21 fl oz has 57 fewer calories than it and the same protein as it. That makes this page useful for deciding between nearby menu choices, not just reading a raw nutrition label.

Data Source and Methodology

Nutrition values for Dr Pepper - 21 fl oz are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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