How could I get to Sao Paulo from Rio de janeiro by coach?

Question

I'd like to take coach to visit Sao Paulo from Rio, however, I have the following questions?

1) Which coach station in Rio provides such kind of service? And How frequent is the service?

2) How much is the coach fare?

3) Do I need book the ticket? Or can I buy it on the counter just before departure?

4) How long does it take from Rio to Sao Paulo?

5) What is the condition of the coach? comfortable or not?

6) What's the name of the destination coach station?

You will be highly appreciated for your anssers. More detail, more preferably. Thanks very much.

Answer 1

1) Rodoviaria Novo Rio - 10-15 minutes

2) 30/50 U$

3) Buy on the counter

4) 6 hours

5) more or less

6) Estação Tietê