Check your Sonic Drive-in App!
Red Bull® Slushes are back, and you can get one for FREE in the SONIC App!
Redeem your new app reward at checkout and get a FREE Medium Red Bull® Slush with any app purchase. Grab the classic Red Bull® flavor or the NEW Summer Edition flavor — Strawberry Apricot! This reward is available through June 26, 2022.
And don’t forget- Order through the Sonic Drive-In app and get 1/2 off drinks all the time. Check app for details and restrictions.