Is there a cross progression system between gta story mode and online?

Rockstar Games does not offer cross-progression between Grand Theft Auto's single-player story mode and GTA Online. Progress in story mode, including completed missions, unlocked abilities, and story-based achievements, exists separately from online progression such as character levels, purchased vehicles, and properties in GTA Online. Each mode operates on independent save files and progression systems. This separation is consistent with Rockstar's approach in other titles like Red Dead Redemption 2, where story mode and online modes (Red Dead Online) also maintain distinct progression paths without transferability between them.