Roar Before the 24
#55: Mazda Motorsports Mazda DPi, DPi: Jonathan Bomarito, Harry Tincknell, Oliver Jarvis, #5: JDC-Miller MotorSports Cadillac DPi, DPi: Sebastien Bourdais, Loic Duval, Tristan Vautier#01: Cadillac Chip Ganassi Racing Cadillac DPi , DPi: Renger van der Zande, Scott Dixon, Marcus Ericsson, Kevin Magnussen, #60: Meyer Shank Racing w/Curb-Agajanian Acura DPi, DPi: Olivier Pla, AJ Allmendinger, Dane Cameron, Juan Pablo Montoya, #48: Ally Cadillac Racing Cadillac DPi, DPi: Jimmie Johnson, Kamui Kobayashi, Simon Pagenaud, Mike Rockenfeller ,#31: Whelen Engineering Racing Cadillac DPi, DPi: Chase Elliott, Felipe Nasr, Pipo Derani, Mike Conway, #10: Konica Minolta Acura ARX-05 Acura DPi, DPi: Ricky Taylor, Filipe Albuquerque, Alexander Rossi, Helio Castroneves
