How do i import vehicles into gta online?

Grand Theft Auto Online is the multiplayer component of Grand Theft Auto V and is set in the fictional state of San Andreas, a recreation of Southern California. Players can explore the open world of Los Santos and its surroundings, engaging in various cooperative or competitive activities. The game allows users to acquire vehicles through in-game purchases, missions, or by stealing them from the environment. The Wikipedia entry supplied does not mention any feature, tool, or process that would enable players to import custom vehicles from outside the game. Consequently, based on this source alone, there is no documented way to import vehicles into GTA Online.