Be sure to download the Sonic Drive-In app for IOS or Android and set up your account. When you do, you’ll recieve a FREE slush – no purchase required!
You should receive the offer automatically after setting up your account. Claim your FREE Slush by clicking “redeem” and showing the coupon to your carhop at any participating Sonic Drive-In!
Other great deals at Sonic Drive-In:
- 99¢ Large Drinks & Slushes every day until 10AM
Half-price Shakes after 8PM throughout the remainder of the summer
Half-price drinks and Slushes every day from 2PM-4PM with half-price drinks and slushes.