Round 16 - Sonoma, California, USA: 28-30 August, 2015, Sonoma, California USA Ryan Hunter-Reay, Scott Dixon, Charlie Kimball ?2015, Ernie Masche LAT Photo USA
28-30 August, 2015, Sonoma, California USA
Ryan Hunter-Reay, Scott Dixon, Charlie Kimball
?2015, Ernie Masche
LAT Photo USA