Sonic Drive-In offers a variety of low sugar drinks for those looking to enjoy a refreshing beverage without too much sweetness. Whether you’re watching your sugar intake or just want a lighter option, Sonic has plenty of low sugar sodas, teas, slushes, and limeades to choose from. If you’re searching for the best low sugar Sonic drinks, here’s everything you need to know!
What Makes a Sonic Drink Low in Sugar?
A low sugar Sonic drink has little to no added sugar and is often made with diet sodas, unsweetened teas, or sugar-free syrups. Many Sonic drinks can be customized to reduce sugar while keeping the flavor.
Best Low Sugar Sonic Sodas
Sonic offers diet-friendly sodas with little to no sugar.
| Drink Name | Why It’s Low in Sugar | Sugar Content (per 20 oz.) |
| Diet Coke | No added sugar or calories. | 0g |
| Coke Zero Sugar | Classic Coke tastes with no sugar. | 0g |
| Sprite Zero | Crisp, lemon-lime flavor with zero sugar. | 0g |
| Diet Dr. Pepper | Same Dr. Pepper taste with no sugar. | 0g |
| Diet Cherry Limeade | A sugar-free version of Sonic’s most famous drink. | 2g |
Best Low Sugar Sonic Teas & Lemonades
For a lighter and more refreshing option, Sonic’s teas and diet limeades are great choices.
| Drink Name | Type | Sugar Content (per 20 oz.) | Why It’s Low Sugar |
| Unsweetened Iced Tea | Black Tea | 0g | Naturally sugar-free and refreshing. |
| Unsweetened Green Tea | Green Tea | 0g | A light and antioxidant-rich drink. |
| Diet Cherry Limeade | Limeade | 2g | A sugar-free take on Sonic’s classic drink. |
| Sugar-Free Lemonade | Lemonade | 3g | A tart and refreshing alternative with minimal sugar. |
Best Low Sugar Sonic Slush Options
Most Sonic slushes contain a lot of sugar, but you can customize your order to lower the sugar content.
| Slush Option | How to Make It Low Sugar | Sugar Content (per 20 oz.) |
| Plain Ice Slush | A neutral slush base with no sugar. | 0g |
| Diet Cherry Limeade Slush | Use Diet Cherry Limeade as the base. | 2g |
| Sprite Zero Slush | Ask for Sprite Zero blended into a slush. | 0g |
| Powerade Zero Slush | Some locations may offer a sugar-free Powerade base. | 1g |
How to Customize Your Low Sugar Sonic Drink
Even with low sugar drinks, you can still enhance the flavor with sugar-free add-ins.
Sugar-Free Flavor Add-Ins
- Cherry (Diet Cherry Limeade base)
- Vanilla (Sugar-free version available at some locations)
- Lime (Fresh lime, naturally sugar-free)
- Coconut (Request the unsweetened version)
- Peach (Limited availability in sugar-free form)
Extra Mix-Ins (Minimal Sugar)
- Fresh lemon or lime slices
- Extra carbonation (for sodas)
- Blended ice for a slush-style drink
Are Low Sugar Sonic Drinks Included in Happy Hour?
Yes! During Sonic Happy Hour (2 PM – 4 PM) and through the Sonic App, you can get 50% off low sugar drinks like Diet Cherry Limeade, Unsweetened Iced Tea, and Diet Sodas.
Low Sugar Drinks vs. Regular Sonic Drinks
Wondering how low sugar drinks compare to Sonic’s regular menu items? Here’s a quick breakdown.
| Drink Type | Regular Version | Low Sugar Version | Sugar Content (per 20 oz.) |
| Limeade | Cherry Limeade | Diet Cherry Limeade | 2g |
| Soda | Coca-Cola | Coke Zero Sugar | 0g |
| Tea | Sweet Tea | Unsweetened Iced Tea | 0g |
| Slush | Blue Raspberry Slush | Custom Diet Slush | 0g – 3g |
How Do Sonic’s Low Sugar Drinks Compare to Other Fast-Food Chains?
Sonic offers more low sugar drink options than most fast-food restaurants.
| Fast-Food Chain | Low Sugar Drink Options? |
| Sonic Drive-In | Yes (Diet sodas, sugar-free limeades, teas) |
| McDonald’s | Limited (Diet Coke, Unsweet Tea) |
| Starbucks | Yes (Iced Teas & Sugar-Free Syrups) |
| Dairy Queen | No (Mostly sweetened beverages) |
FAQs
What is the best low sugar drink at Sonic?
The Diet Cherry Limeade and Unsweetened Iced Tea are two of the most popular options.
Does Sonic have a sugar-free slush?
Yes! You can request a custom sugar-free slush at some locations by asking for a diet syrup base.
Can I customize my low sugar Sonic drink?
Yes! Add fresh fruit, extra ice, or sugar-free flavor add-ins to make your drink unique.
Are low sugar drinks included in Sonic’s Happy Hour?
Yes! You can get half-price diet sodas, teas, and limeades during Happy Hour.
Which Sonic drink has the least sugar?
The Unsweetened Iced Tea, Coke Zero Sugar, and Diet Cherry Limeade all have 0g-2g sugar.


