Burger King Diet Coke® is a refreshing, zero-calorie soft drink designed for those who want the crisp taste of Coca-Cola without sugar or carbs. Whether you’re monitoring your calorie intake, avoiding sugar, or simply enjoy the smooth fizz of a classic diet soda, this complete guide covers everything — including prices, nutrition facts, ingredients, allergens, customization options, and best food pairings.
© 2018 The Coca-Cola Company. “Diet Coke” is a registered trademark of The Coca-Cola Company.
What Is the Burger King Diet Coke?
Burger King’s Diet Coke® is a calorie-free, sugar-free carbonated beverage served ice-cold and available in multiple sizes. It offers the familiar Coca-Cola flavor profile with a lighter, slightly different taste compared to regular Coke.
It’s a popular choice for guests who want a refreshing drink without added calories, making it an ideal pairing with burgers, fries, and combo meals.
Burger King Diet Coke Prices & Calories
| Size | Price | Calories |
|---|---|---|
| Value Diet Coke | $2.09 | 0 Cal |
| Small Diet Coke | $3.29 | 0 Cal |
| Medium Diet Coke | $3.69 | 0 Cal |
| Large Diet Coke | $3.99 | 0 Cal |
Prices may vary by location.
Nutrition Facts
| Nutrient | Amount |
|---|---|
| Calories | 0 Cal |
| Total Fat | 0 g |
| Saturated Fat | 0 g |
| Trans Fat | 0 g |
| Cholesterol | 0 mg |
| Sodium | 85 mg |
| Carbohydrates | 0 g |
| Fiber | 0 g |
| Sugar | 0 g |
| Protein | 0 g |
Diet Coke is completely calorie-free, carb-free, and sugar-free, making it a diet-friendly beverage option.
Allergen Information
| Allergen | Presence |
|---|---|
| Common Allergens | None |
Diet Coke does not contain common allergens such as milk, eggs, wheat, soy, peanuts, tree nuts, fish, or shellfish. It is also gluten-free.
Ingredients Breakdown
- Carbonated Water – Provides the signature fizz
- Caramel Color – Gives the beverage its dark color
- Phosphoric Acid – Adds tartness and balances flavor
- Sodium Saccharin – Artificial sweetener for zero-calorie sweetness
- Potassium Benzoate – Preserves freshness
- Natural Flavors – Contribute to the classic Diet Coke taste
- Citric Acid – Adds acidity
- Caffeine – Delivers a mild energy boost
- Potassium Citrate – Helps balance acidity
This combination creates a bold, refreshing flavor without added sugar.
Customization Options
Burger King allows you to personalize your Diet Coke in several ways:
- Choose ice level (no ice, light ice, regular)
- Upgrade to a larger size
- Add vanilla flavor shot (+25 Cal)
- Add cherry flavor shot (+30 Cal)
- Try a frozen version (+20 Cal)
- Request no ice for maximum beverage volume
Flavor shots typically cost around +$0.50, depending on location.
Availability
Diet Coke is available year-round at participating Burger King locations. You can order it:
- In-store
- At the drive-thru
- Through the Burger King app
- Via delivery platforms like Uber Eats, DoorDash, and Grubhub
Dine-in guests may receive free refills at participating restaurants.
Is It Vegetarian or Vegan?
Yes. Diet Coke is both vegetarian and vegan-friendly, as it contains no animal-derived ingredients.
Best Pairings with Burger King Menu Items
Diet Coke pairs well with a wide variety of menu favorites:
| Menu Item | Price | Calories |
|---|---|---|
| Whopper | $6.49 | 657 Cal |
| Spicy Chicken Jr. | $2.49 | 386 Cal |
| Mozzarella Sticks (4 pc) | $2.49 | 330 Cal |
| Onion Rings (Small) | $1.99 | 320 Cal |
| Chicken Nuggets (4 pc) | $1.49 | 170 Cal |
| Hershey’s Sundae Pie | $2.49 | 310 Cal |
| Medium Fries | $3.89 | 370 Cal |
The crisp, clean taste of Diet Coke balances savory, salty, and spicy foods particularly well.
Frequently Asked Questions
Does Burger King Diet Coke contain caffeine?
Yes, it contains caffeine, providing a light energy boost.
How many calories does it have?
It contains zero calories.
Is Diet Coke gluten-free?
Yes, it is gluten-free.
Can I get it in a combo meal?
Yes, Diet Coke is available as a drink option in most Burger King combo meals.
Is there a frozen version?
Some locations offer Frozen Diet Coke, which contains approximately 20 calories.
Are flavor shots available everywhere?
Availability varies by location, but many restaurants offer vanilla and cherry options.
Can I order it without ice?
Yes, you can request no ice.
Is it available for delivery?
Yes, through the Burger King app and third-party delivery services.
Final Thoughts
Burger King Diet Coke is a refreshing, zero-calorie beverage that delivers bold flavor without sugar or carbs. With no allergens, customizable options, and wide availability, it’s a smart choice for anyone seeking a lighter drink to complement their meal.
Whether paired with a Whopper, fries, or a quick snack, Diet Coke remains one of the most popular and reliable beverage options on the Burger King menu.