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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 Fullerton, CA. 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 441 North Placentia Avenue for the ultimate SONIC experience!
Just absolutely disappointing. Aside from the attitude of the employees making ot obvious that they do not want to be there. The quality of the food was just dismal. The dink was unleaded. The tots were hard and cold. The burger looked like the box had been tossed around ( see picture). And the final straw. While placing the order for pick up through the mobile app. After checking out using Google pay, your app removed the added offer for the transaction. Failure from start to finish
BC
brian craig
May 10, 2026
2.0
App advertised the hello kitty promotion had started. Took my kids to get it and was advised they werent participating in it. The fries were burnt and employees rude.
MV
Martin Villa
May 8, 2026
2.0
First of all, they are no attending on drivethrue only on the spots, second and most important if you want a "fast food" dont recommend to come at this location, 33 minutes on waiting time for 2 medium slushes and 2 large fries.
JS
Jeroen van S.
May 6, 2026
4.0
We haalden 2 gigantische milkshakes die heerlijk waren. Ik denk de beste fastfood shakes die er te krijgen zijn!
Enige nadeel, het personeel had buiten alles nat gespoten waardoor het hele terras onder het chloorwater stond.
Daarnaast duurde het, ondanks dat we de enige klanten waren, ruim 15 minuten voor we onze shakes kregen.
HO
Harold one
Apr 23, 2026
1.0
Just came from here, order my food.They weren't busy. Order the strawberry slushy a Reese's shake a Chicken Sandwich, jalapeno paupers. Add some fries so number nine and some jalapeno paupers= and Reese's shake medium came out to $30.14. Definitely will not be going there anytime. Soon way too expensive for the little amount of food you get. Sonic used to be affordable. Also, my strawberry slushy. It is more like a strawberry lemonade. Water down. In my shake, it's also very watered down. And for some reason, they even shrinked the peppermint
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