What's in a Sonic Grape Cream Slush?
                                
                                
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                                    3 min read                                
                            
                                According to nutritional data, a single medium Sonic Grape Cream Slush can contain up to 590 calories, with its primary ingredients combining the standard Sonic slush base with real ice cream. This creates a popular, creamy, and fruity frozen treat that has captured the attention of many fast-food enthusiasts.