Penske also ran a Pontiac Riley Daytona Prototype in the 2008 Rolex 24 at Daytona, with Kurt Busch, Ryan Briscoe, and Hélio Castroneves driving.
Penske tamén correu cun Pontiac Riley Daytona Prototype nas Rolex 24 de Daytona de 2008, con Kurt Busch, Ryan Briscoe, e Hélio Castroneves pilotando.