Road America: #4 Corvette Racing Chevrolet Corvette C7.R, GTLM: Oliver Gavin, Tommy Milner, #911 Porsche Team North America Porsche 911 RSR, GTLM: Patrick Pilet, Nick Tandy
#4 Corvette Racing Chevrolet Corvette C7.R, GTLM: Oliver Gavin, Tommy Milner, #911 Porsche Team North America Porsche 911 RSR, GTLM: Patrick Pilet, Nick Tandy