Half Price Cheeseburgers at Sonic on Tax Day
On Tuesday, April 17th, Sonic will be promoting half price cheeseburgers all day to celebrate Tax Day. Tax not included. Add-Ons cost extra. Offer Includes Quarter Pound Double Cheeseburger + Medium Tots or Classic SONIC Signature Slinger + Medium Tots. Not good in conjunction with any other offers, combos or Order Ahead.