Top speed, car sizes, race weekends and more compared

Formula 1 has always relied on junior categories to feed it with the next generation of drivers, and its teams are eager to snap up the brightest talents within them.

The “old” Formula 2, a ruleset rather than its own separate entity, would sometimes share grids with F1, before a change in regulations made the two their own distinct championships.

The second-tier category was rebranded in 1985 as F3000, as the series switched to a naturally…