In 2010, Carpentier ran a number of races for Latitude 43 Motorsports. In 2011, Carpentier returned to his open-wheel roots, attempting to qualify for the 95th Indianapolis 500 for Dragon Racing after former Red Bull driver Scott Speed was unable to get the car up to speed on bump day. Carpentier was unable to get the car in the race. On the stock car side, Carpentier drove a few Sprint Cup races for Frank Stoddard's team. On June 7, Carpentier announced to the "Toronto Sun" that he would officially retire from racing after the NAPA Auto Parts 200 at Circuit Gilles Villeneuve, where he drove for Pastrana-Waltrip Racing.