The FIA Formula 2 Championship is a form of open wheel motor racing introduced in 2017 following the rebranding of the long-term Formula One feeder series, GP2 Series. Designed to make racing affordable for the teams and to make it the perfect training ground for life in Formula One, Formula 2 has made it mandatory for all of the teams to use the same chassis, engine and tyre supplier so that true driver ability is reflected. wikipedia