Sonic is offering Half Price Shakes on Mondays! This offer is through December 16, 2024 at participating locations. Each Classic Shake and Master Shake is half price. Excludes Red Velvet Cake Batter Shake. Tax and add-ins cost extra. Discount will automatically apply in the app, online, and at the drive-in. Not valid with Combos, delivery or any other offers.
Purchase a 12-Pack of Lean Body Protein Shakes for only $25.70-$27.80 with Subscribe and Save! Regularly $42. Shipping is free on Subscribe & Save orders.
Get a 12-pack of Ensure Max Protein Liquid Nutritional Shakes for $15.83 when you Subscribe & Save! Shipping is free. Regularly $37.41.
Get a Free Triple Brush Starter Kit that includes Triple Bristle Starter Brush Head, Sonic Handle (batteries included), Snap-on Brush Head Cover, and Tongue Cleaner. Just pay $7.95 shipping.