The 2023 Euro 4 Championship was the inaugural season of the Euro 4 Championship. It was a multi-event motor racing championship for open wheel, formula racing cars regulated according to FIA Formula 4 regulations, run by ACI Sport and WSK Promotion.[1][2] The championship uses Tatuus F4-T421 chassis.[3][4] The inaugural championship was won by Ugo Ugochukwu.[5][6]