Sonic Drive-In: 50% off all blasts today March 17
This March, Sonic Drive-In has a special offer for all their customers: For a limited time, use your mobile device to text ENJOY to 876642 to join the SONIC Text Club and get Blasts with 50% off at participating drive-in locations! Offer will be valid through March 17th, 2021, while supplies last. Cannot be combined with other offers, combos or rewards. Terms and conditions apply.