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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 Lathrop, 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 15107 Old Harlan Road for the ultimate SONIC experience!
Fast-food burger & fries joint with an old-school feel, including retro drive-in service.
Hours
| Saturday | 7:30 AM–2 AM |
| Sunday | 10 AM–12 AM |
| Monday | 7:30 AM–12 AM |
| Tuesday | 7:30 AM–12 AM |
| Wednesday | 7:30 AM–12 AM |
| Thursday | 7:30 AM–12 AM |
| Friday | 7:30 AM–2 AM |
Address and Contact Information
Address: 15107 Old Harlan Rd, Lathrop, CA 95330
Phone: (209) 234-5843
Menu Photos
Order and Reservations
Order: Order online
Related Web Results
SDI 6838 Lathrop CA (Old Harlan Rd) – Sonic
Here at SONIC Drive-in located at 15107 Old Harlan Road, our priority isn’t just great service, it’s great experiences. Whether you’re coming for a Cherry …
Sonic Locations in Lathrop, California
Lathrop. 15107 Old Harlan Road. Lathrop, CA. Open until 12:00 AM. Drive-thru, Online Ordering. Order Here. Learn More.
Sonic Drive-In – 15107 Old Harlan Rd, Lathrop, CA, 95330 – MapQuest
Get more information for Sonic Drive-In in Lathrop, CA. See reviews, map, get the address, and find directions.
Reviews
Juust
I am really satisfied with the service I was given. There was only one worker getting the orders and serving the food from what it seems, and yet we still received our food as a reasonable time (about 5-8 mins).
However, because there was one worker we didn’t receive all of our food at once and she did have to correct her mistake. But we did sort everything out and she was kind enough to fix her mistake and give everything we had asked for.
Great service, good food, and a very kind hard working woman.
… moreHowever, because there was one worker we didn’t receive all of our food at once and she did have to correct her mistake. But we did sort everything out and she was kind enough to fix her mistake and give everything we had asked for.
Great service, good food, and a very kind hard working woman.
Kyle Rhone
We rarely go here, but they are always super slow to get our food out. Tonight we went for the first time on quite awhile. We got to the drive-thru voice box and the women said please give us just a moment. Okay, no problem…. We waited for about 10 mins before saying “Hello???” To which the person responded rudely “maam, it’s going to be awhile before we can take your order. You’re just going to have to wait”. We immediately pulled out of the drive thru to see only one person waiting at the window and 2 stalls occupied. The service here is terrible
… moreYo Yo
I will be filing official complaints. This place needs to be investigated. I placed an order December 11th, 2025, closing shift. Absolutely unacceptable. This sonic violated California food safety laws. The burger they served me was incorrect, and instead of remaking it, the “manager” brought me back the same exact burger and bread after she attempted to wipe off the cheese and toppings. This is violation of health codes, cross contamination rules and safe food handling. Not to mention you can kill someone who is allergic to ingredients and when asked why she would do such a thing, she stated “we sold you the last burgers we had”. Then told me she would not give me her name, nor a refund and continued to laugh and play around with her coworkers. I see from comments this location has made others sick and sent a pregnant woman to the ER already. My other food was clearly stale, not safe to eat, didn’t eat anything. Complete waste of money. Staff here is lazy, negligent and dishonest. Hope the health department puts a stop to the bad practices here before they cause serious illness or death to members of our community.
… moreNancy Perez
Placed order for pick up and chose the stall and waited a long time and no one was in the drive thru line and I ended up pushing the red button in my stall and they said they were only doing drive thru . It would have been nice to know!!! Like was I just going to wait endlessly for my food to never come ? It would have been fine if they had just communicated that to us
… moreDavid Norris
Fantastic food! Fresh burger and great fries! Love root beer. But the drive thru was super slow. Took 20 minutes for 4 cars!!!
… moreStephanie Marquez
This establishment is extremely understaffed. The line was extremely long due to food not coming out fast enough, causing other customers to express their anger to the workers. The lady who served me was very kind and quick with my order, even with the long line, but with more workers this definitely wouldn’t have been an issue. Get more staff in there.
… moreJennifer Evans
One word FULL. Always satisfying at every location.
Service: …
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Jovan Kun
It’s quite popular, the foods is good. The menu board at the car lots is a little difficult to see and read if you’re not on the driver side. The service is fast.
… moreMychelle Gallegos
Ordered the crispy chicken sandwich. The chicken was rubbery, the mayo was as thick as the chicken and topped with a pile of wilted lettuce. $9 Not very appetizing and not worth the value.
… moreHardley Fayre
Long story short, it took nearly 45 minutes to get our food. They lost our order right before getting a rush in; there were only 2 other cars when we got there, and one of them was almost finished eating at their table. There were 2 outside tables, and we sat at the other one to wait. The lobby was closed and the door was locked, so we had no way to check on our order. We tried using the order sign to get staff attention and were told, “Oh let me check, hang on a minute.” That turned into 20, and at least a dozen cars came and went with their food; and not once did someone even notice we were STILL waiting. They were generous enough to give us an extra spicy chicken sandwich that we didn’t ask for and couldn’t eat due to dietary issues, but that was about it.
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