Sonic Drive-In: 1/2 Priced Cheeseburgers Today Only *July 21st*

Woo hoo!  Today at Sonic Drive-Ins you can get a ½ price Cheeseburger during their SONIC's Burger Bash. 

Single-patty cheeseburgers only. Tax not included. Add-ons cost extra. Cannot be combined with other offers. Offer valid 07/21/16 at participating SONIC Drive-Ins while supplies last.