RESIN MOLDED BODY, TIRE, AUTOMOTIVE PART, AND RESIN COMPOSITION

Provided are a resin molded article, a tire and an automotive part satisfying both high impact resistance and high toughness; and a resin composition capable of producing these. The resin composition contains a copolymer that contains a conjugated diene unit, a non-conjugated olefin unit and an aromatic vinyl unit and has a butylene unit content of 0 mol%, and an olefin resin.