Firehouse Subs Prime Rib Steak Sub Price | Updated 2025
The Firehouse Subs Prime Rib Steak Sub is packed with flavor. It has tender prime rib steak, melted provolone cheese, caramelized onions, and deli mustard. Served on a toasted roll, it’s perfect for steak lovers. Enjoy a hearty and delicious sandwich made fresh at Firehouse Subs!

Price Table
Size | Price | Calories |
Small | $6.99 | 410 Cal |
Medium | $9.99 | 810 Cal |
Large | $12.68 | 1340 Cal |
Ingredients
Here is a list of ingredients for Prime Rib Steak Sub:
- Seared, slow-cooked prime rib
- Melted provolone cheese
- Caramelized onions
- Garlic mayo
- Deli mustard
- Lettuce
- Tomato
Nutrition
Here is a list of nutrition for Prime Rib Steak Sub in a small size:
- Serving Size: 1 Sub
- Calories: 413
- Calories From Fat: 223
- Total Fat: 24.8g
- Saturated Fat: 6.6g
- Cholesterol: 56mg
- Sodium: 1304mg
- Total Carbohydrates: 27g
- Dietary Fiber: 1g
- Sugars: 3g
- Protein: 19g
Here is a list of nutrition for Prime Rib Steak Sub in a medium size:
- Serving Size: 1 Sub
- Calories: 831
- Calories From Fat: 455
- Total Fat: 50.6g
- Saturated Fat: 13.3g
- Trans Fat: Not specified
- Cholesterol: 112mg
- Sodium: 2315mg
- Total Carbohydrates: 53g
- Dietary Fiber: 2g
- Sugars: 6g
- Protein: 38g
Here is a list of nutrition for Prime Rib Steak Sub in a Large size:
- Serving Size: 1 Sub
- Calories: 1384
- Calories From Fat: 746
- Total Fat: 82.9g
- Saturated Fat: 23.7g
- Cholesterol: 207mg
- Sodium: 3970mg
- Total Carbohydrates: 91g
- Dietary Fiber: 4g
- Sugars: 13g
- Protein: 69g
Allergens
Here’s a list of ingredients that the Prime Rib Steak Sub may include and those it does not contain:
Contain:
- Egg
- Gluten
- Milk
- Seeds
- Soy
- Wheat
Does Not Contain:
- Fish
- MSG (Monosodium glutamate)
- Nitrates
- Peanuts
- Shellfish
- Sulfites
- Tree nuts
Keep in Mind: This info is current for 2025 but might not be completely accurate. For the most precise details, visit Firehouse Subs website or contact them. Prices can vary by location, so check the website or app for the most accurate pricing in your area.