Detroit
#10: Wayne Taylor Racing with Andretti, Acura ARX-06, GTP: Ricky Taylor, Filipe Albuquerque #01: Cadillac Racing, Cadillac V-Series.R, GTP: Renger van der Zande, Sebastien Bourdais #6: Porsche Penske Motorsports, Porsche 963, GTP: Mathieu Jaminet, Nick Tandy, podium