Sugar is a bad word in some circles but that is n't stopping Sonic from pouring candy into its drinks . Last summer , Sonic Drive-In launched a line-up of Slush drinks with Nerds candy mixed in . They were so popular the chain says some people ask to get the crunchy little candies mixed into other drinks , like soda . And given their success , CEO Cliff Hudson says Sonic is looking at adding a second candy-drink mashup this summer , although he declined to provide details . Tasty treat : This Monday , March 9 , 2015 photo shows a large Sonic Slush drinks with Nerds candy mixed in . A medium-sized Grape Slush with Nerds has 130 grams of sugar and 230 calories . In the meantime , the Nerds are still on menus as a drink add-in for around 30 cents . Already , a medium Grape Slush has 73 grams of sugar and 230 calories . Add in the Nerds , and it has 130 grams of sugar and 510 calories . Sonic , which has more than 3,500 locations , notes it also offers plenty of lower-calorie drink choices , such as sparkling water with the option to add in various fresh fruits and flavors . Drinks have been a big part of Sonic 's growth strategy , with the company letting people mix and match flavors and offering them at half price between 2 p.m. and 4 p.m . The company says drinks now represent 30 percent of its total sales . That 's compared to an average of about 22 percent for the overall fast-food industry , according to Technomic . More broadly , Sonic has been increasing sales in part by revamping recipes , such as for its chicken sandwich . In the most recent quarter that ended on Feb. 28 , the company said sales rose 11.5 percent at established locations . That 's following an 8.5 percent increase in the previous quarter , and a 3.5 percent increase for its last fiscal year . Order up ! Given the success of the chain 's line-up of Slush drinks with Nerds candy mixed in , CEO Cliff Hudson says Sonic is looking at adding a second candy-drink mashup this summer , although he declined to provide details . Success : Last summer , Sonic Drive-In launched a line-up of Slush drinks with Nerds candy mixed in - and they proved hugely popular .
Last summer , Sonic Drive-In launched a line-up of Slush drinks with Nerds candy mixed in . They were so popular the chain says some people ask to get the crunchy little candies mixed into other drinks , like soda . CEO Cliff Hudson says Sonic is looking at adding a second candy-drink mashup this summer , although he declined to provide details . Already , a medium Grape Slush has 73 grams of sugar and 230 calories . Add in the Nerds , and it has 130 grams of sugar and 510 calories .