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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 Thornton, CO. 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 7060 East 128th Avenue for the ultimate SONIC experience!
Terrible! Spent $53 on dinner for my family and feel very disappointed. Fries were hard and chewy, the chili cheese dog all you could taste was cheese. 2 tiny little pieces of bacon on a $8 burger. Ordered 2 medium shakes and 1 large, got all medium. Really need to do better.
ET
Elias Thomase
Sep 15, 2026
4.0
This is one of the smaller Sonic locations I have visited, and it has been a great addition to the area. The service has consistently been reliable, and the food quality has been good. They frequently offer excellent deals through their mobile app, making ordering both convenient and affordable. Orders are typically prepared on time, making pickup quick and efficient. Overall, this location provides a positive experience and is a dependable choice for a fast meal.
PB
Pat Bishop
Sep 14, 2026
2.0
Definatrly not fast food. I waited 30 minutes in drive thru and I was the only one there.
JS
Jack Steen
Aug 28, 2026
1.0
Did not key in my drink order properly told them at the window what my drink order was supposed to be and they handed me the wrong drink anyways and did not do anything about it. My normal drink order blue raspberry slushy and cherry. What they gave me was a wild cherry slushy add blueberries. Will not go back to this location.
NF
Natasha Funes
Aug 25, 2026
1.0
Wow I should have read the reviews I did an online order at 7 when I was there deals are only online anyway said it would be ready at 7:06 at 7:15 I went to the counter to ask maybe it didn’t take the stall# she said no he’s working on urs next then waited another 5 min no one came out enquired at the drive thru if they could refund me it’s still not done the lady at the drive thru said he’s working on it next we can’t give u a refund u have to go online for that I said well it doesn’t let me I’m just gonna pull up after another 5 min she explains to me sorry about the wait I said why did u lie those drinks were there when I asked about them at the walk up window there was barely any slushy ice in the drinks left these weren’t just made they’ve been sitting for along time and all those trays in there built and no one is taking them out they were so many just sitting dieing while there lying to ppl telling them they are “working on them next” I will never come back to this sonic on 128th for sure and probably won’t try a sonic again in awhile after this
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