DS Techeetah confirms reigning champions Jean-Eric Vergne will remain with the team for 2 more season.
Ahead of their debut in 2019 Porsche confirm Neel Jani as their first driver.
In our final part of our season review we take a look at Ferrari, Mercedes and Red Bulls seasons.
In part 2 of our season review we look at the fight for 4th which was contested by Haas, Renault and Force India.
Venturi have confirmed that Norman Nato will be the teams reserve driver for season 5.
In part 1 of our season review we take a look at what 2018 had in store for Williams, Sauber, Toro Rosso and McLaren.