Mezue ahịrịokwu na-esonụ: Penske PC-23 bụ ụgbọala na-agba ọsọ CART nke na-aga nke ọma nke na-asọmpi na 1994 IndyCar oge na Penske Racing, na 1995 IndyCar oge na Bettenhausen Motorsports. Ọ bụ Nigel Bennett chepụtara ya, onye hiwere atụmatụ ya na ụgbọ ala 1993, PC-22, nke bụ nnukwu mgbanwe site n'echiche bụ isi nke ụgbọ ala Penske gara aga. PC-23 bụ otu n'ime ụgbọ ala ndị na-agba ọsọ na-emeghe ụkwụ na-achịkwa nke a zụlitere. O meriri ma oge CART nke afọ 1994, na
1994 Indianapolis 500 na Al Unser Jr., ya na Emerson Fittipaldi na Paul Tracy na-enweta mmeri 12 n'ime 16 n'ozuzu, na-anakọta ọnọdụ 10 na 28 podium, n'oge a hụrụ na Penske na-ewerekwa iko ndị na-ewu ụlọ, na iko ndị na-emepụta ihe na engine Ilmor-Mercedes-Benz. N'agbanyeghị nke ahụ, a maara ụgbọ ala ahụ maka engine nke Mercedes-Benz 500I na-arụ ụka, nke e mere ma mepụtara maka otu agbụrụ nke Indianapolis, na-eji ohere dị iche iche dị na iwu dị iche iche dị n'etiti Indy 500 na CART sanctioning bodies n'oge ahụ.