There are 520 calories in a Burger W/ Mustard from Sonic. Most of those calories come from fat (38%) and carbohydrates (41%).
To burn the 520 calories in a Burger W/ Mustard, you would have to run for 46 minutes or walk for 74 minutes.
According to our website visitors, a Burger W/ Mustard is not a healthy and nutritious option from Sonic, with only 32% of voters finding it to be healthy.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Burger W/ Mustard is healthy or not.
Allergy Information: a Sonic Burger W/ Mustard contains egg, gluten, soy and wheat and may contain milk. a Sonic Burger W/ Mustard does not contain fish, MSG, peanuts, shellfish or tree nuts.*
* Please keep in mind that most fast food restaurants cannot guarantee that any product is free of allergens as they use shared equipment for prepping foods.
There are 16 Weight Watchers Freestyle Points, 16 WW SmartPoints and 14 WW PointsPlus in a serving of Burger W/ Mustard from Sonic.