On Thursday, Jan. 14, 2016, Sonic Drive-In is offering customers 79 cent Jr. Deluxe Cheeseburgers at participating location. To get in on the deal, you must mention the offer before ordering. There’s a limited of five discounted burgers per order. Copyright Living on the Cheap. The post Sonic offers 79 cent Jr. Deluxe Cheeseburgers appeared […]