Score 1/2 Priced Burgers At Sonic 4/18! Giveaways, Sweeps/Instant Win To celebrate Tax Day, Sonic will be offering 1/2 priced cheeseburgers all day long Tuesday, April 18th! No coupon is needed. Visit Sonic’s website for details.Anything to Add? Leave a Comment! Follow Us On: Thrifty Momma Ramblings Facebook for more great tips for thrifty living! Related Posts TCP Lighting Giveaway! FREE $10 Music Gift Card from Marlboro Win a NYX Cosmetics Highlight & Contour Pro Palette!!! Tags:deals, fun, hot deal, Sonic, tax Leave a Reply Cancel replyYou must be logged in to post a comment.