Kammala jumla mai zuwa: Renault R23 ita ce motar Formula One wacce ta yi gasa a kakar 2003 Formula One. Jerin direbobin sun kasance Jarno Trulli da Fernando Alonso wanda ya maye gurbin Jenson Button wanda ya bar British American Racing. Mike Gascoyne, Bob Bell, Tim Densham da John Iley ne suka tsara motar tare da Pat Symonds wanda ke kula da zane da kuma samar da motar a matsayin Babban Daraktan Injiniya da Jean-Jacques His wanda ke jagorantar ƙirar injin. A "B Musammantawa" mota mai suna Renault R23B ya yi da farko a
Grand Prix na Birtaniya kuma an yi amfani dashi don sauran kakar 2003.