The Riley MkXI, and its evolutions and derivatives, the Riley MkXX, the Riley MkXXII, and the Riley MkXXVI, are a series of Daytona Prototype race cars, designed, developed and built by Riley Technologies, between 2003 and 2016. Between 2003 and 2016, the cars scored a combined total of 84 race wins, achieved 106 podium finishes, and clinched 85 pole positions. List of engines used +Riley MkXIManufacturerNameSizeTypeConfigurationBMWNaturally aspiratedV8Dinan (BMW)S62B50Naturally aspiratedV8FordNaturally aspiratedV8GM (Pontiac)LS6Naturally aspiratedV8GM (Pontiac)LS6Naturally aspiratedV8HondaNaturally aspiratedLexus (Toyota)3UZ-FENaturally aspiratedV8LexusNaturally aspiratedV8Lozano Brothers Porting (Porsche)M48Naturally aspiratedV8PorscheNaturally aspiratedFlat-6 +Riley MkXXManufacturerNameSizeTypeConfigurationDinan (BMW)S62B50Naturally aspiratedV8FordNaturally aspiratedV8GM (Pontiac)LS6Naturally aspiratedV8LexusNaturally aspiratedV8Lozano Brothers Porting (Porsche)M48Naturally aspiratedV8 +Riley MkXXVIManufacturerNameSizeTypeConfigurationDinan (BMW)S62B50Naturally aspiratedV8FordNaturally aspiratedV8FordEcoboostTurbochargedV6HondaHR35TTTurbochargedV6
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