There are 1440 calories in a Large Butterfinger Sonic Blast from Sonic. Most of those calories come from fat (45%) and carbohydrates (48%).
To burn the 1440 calories in a Large Butterfinger Sonic Blast, you would have to run for 126 minutes or walk for 206 minutes.
TIP: You could reduce your calorie intake by 460 calories by choosing the Medium Butterfinger Sonic Blast (980 calories) instead.
According to our website visitors, a Large Butterfinger Sonic Blast is not a healthy and nutritious option from Sonic, with only 29% 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 Large Butterfinger Sonic Blast is healthy or not.
Allergy Information: a Sonic Butterfinger Sonic Blast contains milk, peanuts and soy. a Sonic Butterfinger Sonic Blast does not contain egg, fish, gluten, MSG, shellfish, tree nuts or wheat.*
* 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 66 Weight Watchers Freestyle Points, 66 WW SmartPoints and 39 WW PointsPlus in a serving of Large Butterfinger Sonic Blast from Sonic.
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