For the first time since its inception, the championship featured multiple power unit manufacturers, allowing the use of Mercedes and Volkswagen engines.
[3] Top rookie Liam Lawson was Sato's closest challenger, winning four races throughout the season.
A standalone winter series round was also held in February at Circuit Paul Ricard, with Linus Lundqvist and Formula 2 driver Nobuharu Matsushita emerging victorious.
While Autódromo do Estoril and Circuito de Jerez are not present in the current version of the calendar, Hockenheim made its debut as a Euroformula Open Championship round.
[39] On 10 December 2018 was announced that Pau Grand Prix will make debut in the extended nine-round Euroformula Open Championship schedule.