I found it on a big parking lot near that place i think its a museum has a square cube type sculpture outside not sure still getting used to it . I found it without answering simeon calls or asking. For a job. I want frankins buffalo

The Sultan spawns in the prison carpark aswell.

It's by far the best 4door car in the game.
Good luck with the search.

Wheres that located? Im still getting used to online

goto sandy shores and wait until its friday or saturday on gta (can check this by using your phone) you should find a sultan quick

the long road at the start of the desert have them in the carparks

I find them in sandy shore( the desert) and around the port in south los santos