Pros: It USED to have great burgers.
Cons: The meat is apparently not handled or cooked correctly.
Like an earlier reviewer, I too got food poisoning at Sonic. I ate one of their cheeseburgers and tater tots, and 4 hours later thought I was going to die. I almost passed out, my heart rate doubled, and my stomach cramped and everything "came out both ends." It was AWFUL! This was the north side Sonic in Columbia, TN. I will never eat at a Sonic again.