no... gta online is a feature within gta 5, not a standalone game.
Not online
You can spawn Grotti Turismo in GTA 5 online while driving a Turismo R.
Yes, anyone who owns GTA V on PC, also has access to the PC version of GTA Online.
No
get a epic game account
there is no option to play two player on GTA 5.
only online
Anyone with a copy of GTA V can also access GTA Online.
its only free on the ps3
No, GTA 5 was only released for XBox 360, XBox One, PS3, PS4 and PC.
They call you once you level up and spend time online in the game.
there is no elegy on san andreas only on gta 5