$1 Double Sonic Smasher at Sonic Drive-In

Sonic Drive-In is offering a Double Sonic Smasher for only $1 when you order online or through the Sonic App. This offer is available to both new and existing users, making it a great opportunity to try this popular menu item at a discounted price. The reward is valid for the first one million redemptions, so act fast to take advantage of this deal. Please note that add-ons cost extra, and the offer is not valid with combos, delivery, or other offers. Mobile ordering is available at select locations, and hours may vary.