Mezue ahịrịokwu na-esonụ: Renault R23 bụ ụgbọ ala Formula One nke so na asọmpi 2003 Formula One. Ndị na-agba ọsọ bụ Jarno Trulli na Fernando Alonso bụ ndị nọchiri Jenson Button bụ onye hapụrụ British American Racing. Ọ bụ Mike Gascoyne, Bob Bell, Tim Densham na John Iley chepụtara chassis ahụ na Pat Symonds na-ahụ maka imepụta na imepụta ụgbọ ala ahụ dị ka onye isi nchịkwa nke Engineering na Jean-Jacques His na-eduzi engine engine. Ụgbọala "B Specification" a kpọrọ Renault R23B mere nke mbụ ya na
British Grand Prix ma jiri ya mee ihe maka oge fọdụrụ na 2003 oge.