Buuxi weedha soo socota: 2015 Catalunya GP2 iyo GP3 Series wareega ahaa labo ka mid ah tartamada baabuurta lagu qabtay on May 9 iyo 10, 2015 at Circuit de Catalunya ee Spain oo qayb ka ah GP2 iyo GP3 Series. Waxay ahayd wareegii labaad ee xilli ciyaareedka 2015 GP2 Series iyo wareegii koowaad ee xilli ciyaareedka 2015 GP3 Series. Dhamaadka usbuuca tartanku wuxuu taageeray
abaalmarinta weyn ee Spain ee 2015