Laguna Seca: #33 Riley Motorsports Mercedes AMG GT3, GTD: Jeroen Bleekemolen, Ben Keating, #912 Porsche Team North America Porsche 911 RSR, GTLM: Laurens Vanthoor, Earl Bamber, #96 Turner Motorsport BMW M6 GT3, GTD: Robby Foley, Bill Auberlen
#33 Riley Motorsports Mercedes AMG GT3, GTD: Jeroen Bleekemolen, Ben Keating, #912 Porsche Team North America Porsche 911 RSR, GTLM: Laurens Vanthoor, Earl Bamber, #96 Turner Motorsport BMW M6 GT3, GTD: Robby Foley, Bill Auberlen