Sonic Red Bull Slush 2024 Price. The new red bull summer. The refreshing new drinks come in three fruity flavors and are available now at sonic locations nationwide.

Red bull slushes are priced at $3.99 for a medium, and 8.4 fl oz cans of red bull energy drink and red bull summer edition strawberry apricot are also available for $2.99 at participating drive. Sonic red bull slushes are back!