#1 Patrón Highcroft Racing #8 Drayson Racing #16 Dyson Racing Team #6 Muscle Milk Team Cytosport #37 Intersport Racing #12 Autocon Motorsports #99 Green Earth Team Gunnar #55 Level 5 Motorsports #52 PR1/Mathiasen Motorsports #89 Genoa Racing #95 Level 5 Motorsports #62 Risi Competizione #01 Extreme Speed Motorsports #61 Risi Competizione #45 Flying Lizard Motorsports #92 BMW Rahal Letterman Racing #90 BMW Rahal Letterman Racing #4 Corvette Racing #3 Corvette Racing #02 Extreme Speed Motorsports #40 Robertson Racing #75 Jaguar RSR #44 Flying Lizard Motorsports #54 Black Swan Racing #48 Orbit Racing #80 Car Amigo — AJR #88 Velox Motorsports #63 TRG #32 GMG Racing #69 WERKS II Racing #23 Alex Job Racing #81 Alex Job Racing #28 911 Design #80 Car Amigo — AJR 