ネイションワイド・シリーズ
In early June 2012, Dillon made his debut in the Nationwide Series in the 5-hour Energy 200 at Dover International Speedway. In July he finished third in the first Nationwide Series race held at Indianapolis Motor Speedway. In August 2013, it was announced that Dillon would be moving full-time to the Nationwide Series for 2014, where he would drive the No. 3 Chevrolet for RCR, replacing brother Austin.