 In late August, di Grassi drove the Audi RS5 DTM at a test session, held at the Red Bull Ring.To start 2014, he raced the No.21 RCM Motorsport Chevrolet Sonic alongside Thiago Camilo for the opening round of the Stock Car Brasil season at the Autódromo José Carlos Pace; the duo retired on the first lap due to a clutch failure.