On March 4, Grand Theft Auto V on PC is getting a free upgrade featuring sought-after enhancements previously only available in the PS5 and Xbox Series X|S versions of GTA Online — including all the latest vehicles and performance upgrades available at...
Apparently is recommend, not required but recommended, to have an RTX 3080 to run the upgraded graphics, I assume at least on high.
I wonder if GTA VI will need a 5090.
Source? The link in the OP says a ~3060 or 6600XT for recommended settings. No clue what the ‘recommended’ settings are, though.