2015 GoPro Grand Prix of Sonoma

Date
Track type
Road course
Scott Dixon (#9)
Ryan Hunter-Reay (#28)
Charlie Kimball (#83)
Tony Kanaan (#10)
Ryan Briscoe (#5)
Juan Pablo Montoya (#2)
Will Power (#1)
Takuma Sato (#14)
Rodolfo Gonzalez (#18)
Mikhail Aleshin (#77)
Marco Andretti (#27)
Oriol Servia (#25)
Sebastian Saavedra (#8)
Gabby Chaves (#98)
Helio Castroneves (#3)
Simon Pagenaud (#22)
Stefano Coletti (#4)
Graham Rahal (#15)
Jack Hawksworth (#41)
Sebastien Bourdais (#11)
Josef Newgarden (#67)
Carlos Munoz (#26)
Tristan Vautier (#19)
Luca Filippi (#20)
James Jakes (#7)