It is worth buying the tourist pass if you are going to visit more than 75% of the monuments included and use Granada city buses several times. Another advantage is that you can get tickets to the Alhambra with the Granada Card when there are no tickets left on the official website.
How long does it take to see Granada?
So if you are wondering how many days to spend in Granada, here's the quick answer: two full days. Because of its location, it takes a few hours to get to Granada from the main Spanish destinations. So if you are thinking about going to Granada on a day trip, you have no idea of what you're missing.