BOGO Alert! Get a Free Double SONIC Smasher This September

Score a Free Burger This Month! SONIC is hooking up burger fans with a tasty deal! Throughout September, buy one Double SONIC Smasher and get another one absolutely free. It’s the perfect way to satisfy your burger cravings without breaking the bank.

What You’ll Get:

• A Second Burger, On Us: Buy one Double SONIC Smasher and receive another one for free.
• Savings You Can Taste: Enjoy double the burger goodness for the price of one.
• A Delicious Deal All Month Long: This offer is valid once a week, every week in September!

How to Claim It:

1. Download the SONIC App (or open it if you already have it!).
2. Create an account or log in.
3. Add one Double SONIC Smasher to your cart.
4. Add a second Double SONIC Smasher to your cart. The discount will automatically apply at checkout.
5. Place your order and enjoy your BOGO burger deal!

Tip: This deal is valid for online or in-app orders only.

Who’s Eligible:

• Age: No minimum age
• Location: Valid at participating SONIC locations. Check here to find one near you.
• Deadline: Offer valid once per week through September 28, 2025.
• Restrictions: Must order online or through the SONIC App as a registered user. Add-ons cost extra. Not valid with delivery or other offers.

Explore More Delicious Deals

Looking for even more ways to save? Check out these fantastic resources: Explore more amazing deals, discover exciting freebies, and don’t forget to browse our food coupons for tasty discounts. You can also see what’s just posted, and even enter sweepstakes!

Grab Your BOGO Double SONIC Smasher Now!

Don’t miss out on this limited-time offer! Download the SONIC App and treat yourself to a buy-one-get-one-free Double SONIC Smasher today. Share this deal with your friends so they can enjoy the savings too!

Looking for more Sonic deals?

Check out all our Sonic deals and freebies to save more.

Want more ways to save?

We’re always searching for the best deals and freebies to help you save money. Be sure to explore our deals section for incredible discounts on all your favorite products. You can also find even more free items in our freebies section. Don’t forget to become a member to receive exclusive offers and savings opportunities delivered right to your inbox.