At the qualification for the 2018 Spanish Grand Prix Alonso with a heavily revised McLaren MCL33 reached Q3 for the first time in 2018, starting the race in eighth position on the grid; he then finished the race also in eighth.
Na cualificación para o Gran Premio de España de 2018 Alonso cun McLaren MCL33 moi revisado alcanzou a Q3 por primeira vez en 2018, comezando a carreira en oitava posición na grella, logo terminou a carreira tamén en oitavo lugar.