 Penske PC4 yaiva motokari yeFormula One yakashandiswa neTeam Penske mugore ra1976 uye yakatungamirirwa kukunda muAustria Grand Prix yegore iroronaJohn Watson. Yakashandiswa kwechikamu chikuru chemwaka unotevera neATS Racing uye Interscope Racing yakashandisawo PC4 kumakwikwi maviri gore iroro. 