Laguna Seca: #55 Mazda Team Joest Mazda DPi, DPi: Jonathan Bomarito, Harry Tincknell, #6 Acura Team Penske Acura DPi, DPi: Juan Pablo Montoya, Dane Cameron
#55 Mazda Team Joest Mazda DPi, DPi: Jonathan Bomarito, Harry Tincknell, #6 Acura Team Penske Acura DPi, DPi: Juan Pablo Montoya, Dane Cameron