My dad used to restore those. We had a 64 Giulia Spider that was his favorite among a rotating cast that cycled through our garage.
Super relatable! Nah, but actually - I googled it and these are much more reasonable than I would have thought.
I mean this honestly: I hope the Stelvio's reliable for you. Heard some real nightmare stories about the Giulia. You might spoiled by your Mazda-with-a-Fiat-engine.