Portland: Sébastien Bourdais, Dale Coyne Racing with Vasser-Sullivan Honda, Scott Dixon, Chip Ganassi Racing Honda, Gabby Chaves, Harding Racing Chevrolet
Sébastien Bourdais, Dale Coyne Racing with Vasser-Sullivan Honda, Scott Dixon, Chip Ganassi Racing Honda, Gabby Chaves, Harding Racing Chevrolet