For you search query Sold Sonic we found around 371099 songs. We may show you only some of them on this page. Diners like the convenience and affordability of fast-food and fast-casual restaurants, a trend that shows no sign of slowing. Here is a quick look. Sonic Drive-In is now under the same company that controls Arby's and Buffalo Wild Wings, as it was just sold to Inspire Brands for a staggering.