Kammala jumla mai zuwa: 2018 Le Castellet GP3 Series zagaye ya kasance taron tseren motoci da aka gudanar a ranar 23 da 24 ga Yuni 2018 a Circuit Paul Ricard, Le Castellet, Faransa. Shi ne zagaye na farko na 2018 GP3 Series, kuma ya gudu don tallafawa
Gasar Grand Prix ta Spain ta 2018.