The Sonic Smasher is a cheeseburger made with two thin angus beef patties topped with Smasher sauce, pickles and onions.
Sonic Sonic Smashers contain between 600-780 calories, depending on your choice of size. The size with the fewest calories is the Double Sonic Smasher (600 calories), while the Triple Sonic Smasher contains the most calories (780 calories).
Choose from the sizes below to see the full nutrition facts, ingredients and allergen information.
