Sonic Chocolate Sundae: nutrition and allergens
The Chocolate Sundae at Sonic has 440 calories, 12 g fat, 76 g carbohydrate, 7 g protein and 340 mg sodium, according to Sonic’s nutrition information.
Nutrition facts
| Calories | 440 |
|---|---|
| Total fat (g) | 12 15% |
| Saturated fat (g) | 9 45% |
| Trans fat (g) | 0 |
| Cholesterol (mg) | 50 17% |
| Sodium (mg) | 340 15% |
| Total carbohydrate (g) | 76 28% |
| Dietary fiber (g) | 0 0% |
| Total sugars (g) | 64 |
| Protein (g) | 7 14% |
Percentages are the share of the FDA Daily Value for adults and children 4 and over, worked out from Sonic’s published amounts (how % Daily Value works). A dash means Sonic does not publish that value for this item. Not published for this item: added sugars.
Using the FDA’s rule of thumb that 5% of the Daily Value or less per serving is low and 20% or more is high, one serving is high in saturated fat (45%) and carbohydrate (28%) and is low in dietary fiber. Add it up with other items in the Sonic nutrition calculator.
Allergens
According to Sonic, the Chocolate Sundae contains milk and soy.
| Milk | Contains |
|---|---|
| Egg | Not listed |
| Fish | Not listed |
| Crustacean shellfish | Not listed |
| Tree nuts | Not listed |
| Peanuts | Not listed |
| Wheat | Not listed |
| Soy | Contains |
| Sesame | Not listed |
| Gluten | Not listed |
Sonic relies on its suppliers for allergen information and shares cooking and preparation areas, so it says it cannot rule out cross-contact or promise that any item is free of an allergen, and no item is certified gluten-free, vegetarian or vegan. Blended drinks and frozen desserts share tools, fried foods share fryers, and grilled items share the grill. Buns, Texas Toast, eggs, grilled onions and grilled peppers are cooked with a bun oil that contains soy. Some breads come from local bakeries, so ingredients and allergens such as sesame can differ by restaurant. Tell your carhop about any food allergy before ordering. Items marked as fried carry a risk of cross-contact with all allergens.
Other items in Sundaes at Sonic
By calories, the Chocolate Sundae ranks 4 of 5 in Sonic’s Sundaes section, from lowest to highest.
| Item | Calories |
|---|---|
| Vanilla Soft Serve Cup | 300 |
| Strawberry Sundae | 380 |
| Caramel Sundae | 430 |
| Chocolate Sundae | 440 |
| Hot Fudge Sundae | 460 |
Nutrition for all 5 items in Sundaes at Sonic
Browse the Sonic menu by goal: high-protein items · low-calorie items
Soft serve, sundaes and blended frozen desserts at other chains
Sonic is one of 7 chains on this site that sell soft serve, sundaes and blended frozen desserts. Of the 107 at other chains, 89 have fewer calories and 18 have the same or more than the Chocolate Sundae, comparing each at its first listed size; portions differ, so check the serving on each item’s page.
| Item | Calories |
|---|---|
| Chick-fil-A Icedream Cup | 140 |
| Dairy Queen Chocolate ConeKids' | 160 |
| Dairy Queen Vanilla ConeKids' | 160 |
| Chick-fil-A Icedream Cone | 180 |
| Burger King Soft Serve Cup | 180 |
| Wendy's Classic Chocolate FrostyJunior | 190 |
| Wendy's Vanilla FrostyJunior | 190 |
| McDonald’s Vanilla Cone | 200 |
Compare all soft serve, sundaes and blended frozen desserts side by side (108 items at 7 chains)
Sources
- 1 Sonic, Sonic Nutritional Information brochure (national) Covers nutrition and menu · Summer 2026 · Checked 8 Oct 2026
- 2 Sonic, Sonic Allergen Information guide Covers allergens · National Summer 2026 Allergen Guide · Checked 8 Oct 2026
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