Detroit: #01: Cadillac Racing, Cadillac DPi, DPi: Renger van der Zande, Sebastien Bourdais leads #60: Meyer Shank Racing W/Curb-Agajanian, Acura DPi, DPi: Oliver Jarvis, Tom Blomqvist at the start
#01: Cadillac Racing, Cadillac DPi, DPi: Renger van der Zande, Sebastien Bourdais leads #60: Meyer Shank Racing W/Curb-Agajanian, Acura DPi, DPi: Oliver Jarvis, Tom Blomqvist at the start