 Nyora kupfuurira kweiyi ndima - Haas akachengetedza Grosjean mwaka wa2018 kwaakabatana zvakare naMagnussen. MuAzerbaijan Grand Prix, Grosjean akadonha kumashure kwemotokari yekuchengetedza achimhanya ari pachinzvimbo chechitanhatu. Injiniya wake nenzira isiri iyo akapa mhaka yengozi kumutyairi weSauber Marcus Ericsson, achiti, Ndinofunga kuti Ericsson akatirova. MuSpanish Grand Prix, Grosjean ndiye akakonzera kudonha pakutenderera kwokutanga. Achipfuura nomukona 3, akarasikirwa nokudzora Haas yake pashure pokumhanya mumhepo ine tsvina. Ikoku kwakamuita kuti apindire munzira yemotokari dzaiva shure kwake, zvichikonzera utsi hwakawanda mukuita kudaro. Akabva arohwa naHülkenberg naGasly, achibvisa vose vari vatatu munhangemutange yacho. MuGrand Prix yeAustria, Grosjean akapedza 4th, mugumisiro wake wakanakisisa mubasa rake paHaas uye pfungwa dzake dzokutanga dzinopedza muna 2018. Grosjean akarambidzwa kubva kuItaly Grand Prix mushure mekunge pasi remota yake yawanikwa isiri pamutemo, ichibvisa nzvimbo yechitanhatu; kunyangwe timu yakakwidza izvi, sarudzo yakasimbiswa. Grosjean akapedza mwaka wechi14 aine 37 points. 