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Who’s up for a cheap lunch? July 21st, participating Sonic Drive Ins are offering half price cheeseburgers all day with a limit of 5 per customer. Just mention the deal. You do not need a coupon! More details here.
Add a free medium slush to your order! Simply download the Sonic app and set up an account to score it for free. No purchase required. Once your account is set up, you will immediately receive the offer. Just click on redeem and show the coupon at any participating Sonic.