SONIC Drive-In is offering a $1 Double SONIC Smasher reward to the first 1 million customers who order through the SONIC App.

In the middle of a tough economy, Soinc Drive-In has decided to give out their Sonic Smasher burger for $1, through a very ...

Sonic Drive-In is offering its smashburger for a buck this week. The first million customers ordering the Double Sonic Smasher through the app this week can get the sandwich for $1. Introduced ...