And this summer, Sonic is adding a new cheeseburger to the menu ... casual burger brands. Our mission at SONIC has always been to bring fun, craveable food to our guests at unbeatable prices.” ...

Not even McDonald’s long-gone Snack Wrap can beat that price. And, now, Sonic seems to be eying Wendy’s with its latest spring menu launch. Sonic just added two new square burgers and a ...