Rocket League had 10 car bodies available at its initial release. They were the original standard Battle-Cars that formed the game's launch roster.
The launch lineup included Octane, Gizmo, Road Hog, X-Devil, Breakout, Merc, Venom, Paladin, Hotshot and Backfire. Four were available immediately to new players, while the others could be unlocked through normal play. These vehicles were cosmetic choices with different shapes, but the launch game did not yet have the enormous collection of licensed and seasonal bodies seen today.
A common mix-up is counting later DLC vehicles or console-exclusive cars. Dominus and Takumi, for example, were added through the Supersonic Fury DLC rather than belonging to the original standard roster. Sweet Tooth was also a PlayStation-exclusive body, so platform-specific additions can change how people remember the launch selection.
Modern Rocket League has dozens of bodies, but many share one of a small number of standardized hitboxes. That means the original cars helped establish the game's visual variety without creating ten completely different physics systems.