Finding low-carb and keto-friendly foods at Sonic Drive-in isn't impossible. Despite the abundance of sugary sodas, breads, and other heavy carbohydrate food items you can find keto-friendly eats.
The food featuring the least amount of net carbs is the Diet Dr. Pepper (RT 44) (0g net carbs) and the item that contains the most amount of net carbs is the Dixie Burger (50g net carbs). Here's a short food list of other keto options at Sonic Drive-in:
And below, you will find more keto-friendly foods at Sonic Drive-in.