Sonic Drive-In

8711 Washington St, Thornton
(303) 288-7279

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Premium Beef Hot Dogs Chili Cheese Coney

Croissonic Breakfast Sandwich

Bacon Breakfast Toaster

Crispy Chicken Tenders

Chicago-Style Hot Dog

Corn Dog with Mustard

Handmade Onion Rings

Sonic Cheeseburger

Mozzarella Sticks

Breakfast Burrito

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Recent Reviews

It wasn't just me eating. Parked to see the full menu and once I pressed the button to order, and it was a complicated order to which everything was correct and fast and service was friendly and welcoming. But we had to take off so we didn't get to eat until we got home. There was a bitter after taste to the food that I can only assume the oil used was old?

I've only myself ever eaten at this Sonic and only was my 3rd time there. I ordered onion...

September 2024

What is an American icon, drive up restaurant. No need to leave the car, but not a drive through like competitors. Jessica was my server, and she treated me like her customer. Everything you could ask for of an American meal, then dessert. I will continue to patronize Sonic.

August 2024

I was very satisfied with my order, the service was quick. I came here around 12ish. So I'm not sure if timing has an effect on service. But I'll definitely be back again should I have a sonics craving. Btw love the carbonation ratio in the sodas!

July 2023

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Restaurants in Thornton, CO

Sonic Drive-In

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Sonic Drive-In