Grab a free any-size Coca-Cola at SONIC when you make any purchase through the app! Choose from Coke, Diet Coke, or Coke Zero Sugar and customize your drink with your favorite add-ins or flavors.
Click GET FREEBIE to order through the app—this offer is valid only for SONIC App users through December 28.
Hurry, get your free Coke today!
Posted on: November 10, 2025