Phoenix: Takuma Sato, Rahal Letterman Lanigan Racing Honda, Matheus Leist, A.J. Foyt Enterprises Chevrolet, Pietro Fittipaldi, Dale Coyne Racing Honda
Takuma Sato, Rahal Letterman Lanigan Racing Honda, Matheus Leist, A.J. Foyt Enterprises Chevrolet, Pietro Fittipaldi, Dale Coyne Racing Honda