Ku qor sii wadida cutubkan - Haas ayaa Grosjean u haysatay xilli ciyaareedkii 2018 halkaas oo uu mar kale iskaashi la yeeshay Magnussen. Grand Prix-ka Azerbaijan, Grosjean wuxuu ku dhacay baabuurka badbaadada isagoo kaalinta lixaad ku jira. Injineerkiisa ayaa si khalad ah ugu eedeeyay darawalka Sauber Marcus Ericsson inuu sabab u ahaa shilka, isagoo yiri, "Waxaan u maleynayaa in Ericsson uu nagu dhuftay". Horyaalka Spain
, Grosjean wuxuu sabab u ahaa shilkii ka dhacay wareega koowaad. Intii uu marayay geeska 3, wuxuu lumiyay xakamaynta Haas-kiisa ka dib markii uu ku dhex maray hawo wasakhaysan. Tani waxay keentay in uu ku wareego wadada wadada gawaarida gadaashiisa, taasoo keentay qiiq badan oo hawada ah. Kadib waxaa garaacay Hülkenberg iyo Gasly, oo ka saaray saddexda tartan. Abaalmarinta Grand Prix ee Austria, Grosjean wuxuu dhammeeyey kaalinta 4aad, natiijada ugu fiican ee xirfadiisa Haas iyo dhibcaha ugu horreeya ee uu dhammeeyo 2018. Grosjean waxaa laga reebay tartanka Grand Prix-ka Talyaaniga kadib markii la ogaaday in dabaqa gaarigiisa uu yahay mid sharci darro ah, isagoo ka qaatay kaalinta 6-aad; inkasta oo kooxdu racfaan ka qaadatay, go'aanka ayaa la xaqiijiyay. Grosjean wuxuu xilli ciyaareedkii ku dhammaystay kaalinta 14-aad isagoo leh 37 dhibcood.