Phoenix: Graham Rahal, Rahal Letterman Lanigan Racing Honda, Takuma Sato, Rahal Letterman Lanigan Racing Honda, Sébastien Bourdais, Dale Coyne Racing with Vasser-Sullivan Honda
Graham Rahal, Rahal Letterman Lanigan Racing Honda, Takuma Sato, Rahal Letterman Lanigan Racing Honda, Sébastien Bourdais, Dale Coyne Racing with Vasser-Sullivan Honda