Rambai muchinyora ndima iyi - Mumwaka wa2010, akafunga kuti Penske yakanga yasvika pakukwanisa kwemotokari yayo yekare yeDallara-Honda, uye aitya kuti mamwe mapoka aizoshandisa izvi kuvhara musiyano wekuita. Castroneves akakunda Indy Grand Prix yokutanga yeAlabama kuti awedzere nhoroondo yake yekukunda nhangemutange kusvika kumakore gumi akatevedzana. Pashure pokuva panzvimbo yokutanga nokuda kweIndianapolis 500
, kukundikana kumira kwakamuita kuti adonhe kuenda kunzvimbo yechipfumbamwe. Makwikwi mashanu gare gare, paHonda Indy Edmonton, Castroneves ndiye akatanga kupedzisa, asi akaderedzwa kusvika pagumi mushure mekunge afungidzirwa kuti akavhara mumwe wake Power. Akakunda mijaho miviri yakatevedzana, paKentucky Speedway uye Motegi, asati apedza mwaka nechishanu paHomestead-Miami. Namapoinzi 531, Castroneves akanga ari wechina munhangemutange yavatyairi.