FREE Large Drink with Double SONIC Smasher Purchase

Enjoy a tasty deal at SONIC! Registered users can score a free large soft drink or tea with the purchase of a Double SONIC Smasher when ordering online or in the SONIC App. Offer valid through November 2, 2025. Order through the SONIC website or app to redeem your reward.

More Info

This tasty reward is valid for one (1) free Large Soft Drink or Tea when you purchase a Double SONIC Smasher through your online account or the SONIC App. Just make sure you’re a registered user and log in to claim your offer before it expires on November 2, 2025. You can customize your drink or sandwich, but any add-ons or extra charges will apply. The offer cannot be combined with Combos, delivery, or other discounts, and is valid only at participating locations offering mobile ordering.

Thank you AuthorizedFreelo

Related Categories: Drink, Food