Road Atlanta: #9: PFAFF Motorsports Porsche 911 GT3R, GTD: Zacharie Robichon, Laurens Vanthoor, Lars Kern, #60: Meyer Shank Racing w/Curb-Agajanian Acura DPi, DPi: Dane Cameron, Helio Castroneves, Juan Pablo Montoya,
#9: PFAFF Motorsports Porsche 911 GT3R, GTD: Zacharie Robichon, Laurens Vanthoor, Lars Kern, #60: Meyer Shank Racing w/Curb-Agajanian Acura DPi, DPi: Dane Cameron, Helio Castroneves, Juan Pablo Montoya,