Octavia '00 Gearbox? Fit from VW or Audi?

[KJ]

Hi guys,

I'm thinking about buying a Skoda Octavia 1.6L, y2000. FWD with a broken gearbox.

If I'll get a better deal on a vw gearbox or an Audi gearbox, would they be the same? And if they are the same, does it only fit from 1.6L?

Thanks

Regards from Iceland