Sonic Drive-In • Drinks & Slushes
Diet Coke
Nutrition Information
* Nutritional values are approximate and may vary by location and preparation. Source: Sonic Drive-In official website.
Diet Coke served cold over ice. Zero calories.
Everything You Need to Know About Sonic Drive-In Diet Coke
Diet Coke served cold in Sonic's cups over ice. Zero calories with the classic Coke flavor. Available in all sizes including the Route 44 44-ounce option. Half price during Happy Hour.
How to order Diet Coke at Sonic Drive-In
The Diet Coke is available for dine-in and takeout at Sonic Drive-In locations across the United States, and through the chain's own app or delivery partners in most markets. Before you order, it is worth checking the current Sonic Drive-In deals in case this item is part of a running promotion.
Sonic Drive-In Diet Coke price in 2026
The Diet Coke is listed at $2.49 on the Sonic Drive-In menu we track. That figure is a guide rather than a guarantee: most fast food chains let individual franchises set their own prices, so the same dish can cost noticeably more in high-rent city centres than in smaller markets, and airport or stadium locations sit higher again. Menu boards and the official app are always the final word for your specific restaurant. We re-check the full Sonic Drive-In menu and refresh this page when prices move.
💡 Pro Tips for Ordering Diet Coke
- 1Zero calories: half price during Happy Hour
Frequently Asked Questions About Sonic Drive-In Diet Coke
Q:Does Sonic have Diet Coke?
Yes, Diet Coke is available in all sizes.
More Sonic Drive-In Menu Items
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Single beef patty with American cheese, mustard, ketchup, pickles, and onion.
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Bacon Double Cheeseburger
Double beef with crispy bacon, two slices of American cheese, and all the classic toppings.
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Jr. Burger
Small single beef patty with mustard, ketchup, pickles, and onion. Best value on the menu.
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About Sonic Drive-In - Fast Food Restaurant
Sonic Drive-In is one of America's most popular fast food restaurant chains.America's Drive-In since 1953, famous for tater tots, cherry limeades, slushes, and made-to-order burgers with Happy Hour half-price drinks every day 2 to 4 PM. With hundreds of locations across the United States, Sonic Drive-Inserves millions of guests every week who return for the quality, consistency, and value the brand delivers.
The Diet Coke is just one of many excellent choices available on the Sonic Drive-In menu. Whether you are visiting for the first time or you are a regular, USA Food Journal has you covered with up-to-date pricing, nutrition information, and insider tips for every item. Explore the full Sonic Drive-In menu to discover everything available, from appetizers to desserts.
Looking to save on your next visit? USA Food Journal tracks the latest Sonic Drive-In coupons and promotional codes updated daily. You can also compare menus and prices across all major US chains on our all restaurants page.