Right now Reward Members can score a free large Drink or Slush when you use the code TMOBILE at checkout! Plus, you can score Half Price Slushes all day when you order ahead through the app!
We don’t visit Sonic often, but when we do we can usually purchases three small slushes for $1.79. This is a great little deal, and a good way to pinch a few pennies if you’re eating on the run!
See more dining deals.