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Last updated: Aug 9, 2026

Port of Subs

Roast Beef - X-Large (Classic Sub #18)

Meats - X-Large Subs Ingredients differ among locations and are specified below. Nutrition information provided by per serving in sub.Popular

Port of Subs Roast Beef - X-Large (Classic Sub #18) is protein-leaning, with about 60% of macro calories from protein. Each serving has 182 calories, 25.9g protein, 0g carbs, and 7.8g fat, making it a stronger fit for high-protein restaurant planning.

1 Serving (145.2g)

Serving Size

145.2 g

Serving Weight

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182

Calories

Per serving

25.9 g

Protein

0 g

Carbs

7.8 g

Fat

Nutrition Facts

Amount per serving

Calories182 kcal

% Daily Value*

Total Fat 7.8 g10%

Saturated Fat 3.9 g19%

Trans Fat 0 g—

Cholesterol 78 mg26%

Sodium 1,426 mg62%

Total Carbohydrate 0 g0%

Dietary Fiber 0 g0%

Total Sugars 0 g—

Protein 25.9 g52%

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

182

kcal

Protein25.9 g (60%)

Carbs0 g (0%)

Fat7.8 g (40%)

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

Meal Planning Insights

Protein density10/10

60% of macro calories come from protein.

Satiety index10/10

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

Activity estimate45 min walk

About 18 minutes of running for these calories.

Key Nutrients

Protein 25.9 g52%

Fiber 0 g0%

Sodium 1,426 mg62%

Sugars 0 g—

Saturated Fat 3.9 g19%

How we calculate these values

Diet Compatibility

High protein10/10 protein density from 25.9g protein and 182 calories.Yes

Lower carb0g carbs per serving.Yes

Low fat7.8g total fat per serving.No

High sugar0g total sugars per serving.No

High sodium1,426mg sodium per serving.Yes

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

Ingredients

Roast Beef: Beef, Water, Isolated Soy Protien (Contains Soy Lecithin), Salt, Sodium Phosphate, Sugar, Flavoring. Caramel Color Added, rubbed with Qualifier (See Ingedient Statement) Qualifying Statement: Rubbed with Salt, Dextrose, Sugar, Caramel Color,…

Allergens

Contains

Soy

Compare with other items

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

Quick comparisons

Roast Beef - X-Large (Classic Sub #18) has 4017 fewer calories than 2-Foot Brookie in a Box and 7.3g less protein. Compare

Roast Beef - X-Large (Classic Sub #18) has 3017 fewer calories than 2-Foot Brownie in a Box and 2.7g more 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

Roast Beef - X-Large (Classic Sub #18) Compared With Nearby Items

Port of Subs Roast Beef - X-Large (Classic Sub #18) is listed in the Meats - X-Large Subs Ingredients differ among locations and are specified below. Nutrition information provided by per serving in sub. category with 182 calories, 25.9g protein, 0g carbs, and 7.8g fat per serving.

Data Source and Methodology

Nutrition values for Roast Beef - X-Large (Classic Sub #18) 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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