Kammala jumla mai zuwa: 2018 Barcelona GP3 Series zagaye ya kasance taron tseren motoci wanda aka gudanar a ranar 12 da 13 ga Mayu 2018 a Circuit de Barcelona-Catalunya, Barcelona, Spain. Shi ne zagaye na farko na 2018 GP3 Series, kuma ya gudu don tallafawa
Gasar Grand Prix ta Spain ta 2018.