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For more than 60 years, SONIC, America’s Drive-In has built the ultimate dining experience with our drive-in restaurants and we proudly serve our guests in Duncan, SC. We did it by sticking to what made drive-ins so popular in the first place: made-to-order American classics, signature menu items, and speedy service from friendly Carhops full of fun and personality. Cruise on over to us at 2149 E. Main for the ultimate SONIC experience!
Every since I have came to SC. All of the Sonic's are absolutely NASTY 🤢! Where I am from. They are so good. I ordered a strawberry cheesecake shake. I took one sip,and gave it back to her to throw away. I took a couple of bites and threw it away. It was like a hot mess. I just hope I don't get sick 🤢🤮.
ER
Emily Richards
Aug 9, 2026
5.0
Went to get a milkshake after a long day at work, service was smooth, the young lady at the window was very nice and friendly! Got my shake in less than 2 minutes!! Will definitely be back!!
DU
Dana Upton
Aug 5, 2026
1.0
This is the absolute worst Sonic to go to. Idk if this is a franchise owner problem or a mgmt issue but the incompetence is astounding. I went during a busy time. Placed my order. Noticed that the cars that came after me were all gone. I had been waiting 21 minutes. Pushed the button and the guy said what did you order? At this point I was furious. They gave my order to someone else. Wanted me to continue waiting again and re order. I left. I called corporate. I go to the Greer location with no issue. Get it together Duncan.
AC
Amber H. Cash
Aug 2, 2026
5.0
I’ve been here a few times now, and they’ve been consistently good. The food is always hot, the service is quick, and the staff are polite. Even when the drive-thru is busy, they do a great job of keeping things moving. Definitely one of the better fast food spots in the area.
AA
Amber
Aug 2, 2026
5.0
Stopped in for a quick bite, and everything was just right. The food was fresh, my order was correct, and I didn’t have to wait long. The staff were friendly and kept things moving even though it was busy. I’ll definitely be back.
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