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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 Flemington, NJ. 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 314 Us Highway 31 South for the ultimate SONIC experience!
Food is ok but the coffee ☕️ and milk shakes taste great!
DO
Diane O'Brien
Jul 16, 2026
3.0
Never did i go to sonic but happened to be passing on 31. Ok. Go to the 1st berth available well the screen was broken. Backed up went to the next one and finally got that on to work. Ordered 2 number 9s foot long chili dog with fries and a drink. Chili was tasteless but doable the hot dog was fresh and hot. Not going on my must try again list. The tater tots were yummo
JF
James Ferrone
Jun 8, 2026
4.0
Good for when you want a good bad-fir-you burger, and the tater tots were pretty tasty.
JK
Joseph Kozak
May 18, 2026
5.0
Love the Cherry Limeade Slushy, especially on hot days.
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