The first generation Premacy was a 5 or 7 passenger vehicle with either 2 or 3 rows of seats, while the second generation added a third row of seats for up to 6 passengers in the US and 7 passengers in the rest of the world.
Both generations feature near-flat floors, folding or removable 2nd row and fold-flat rear seats.
Current Mazda Equivalent:
The closest comparison today is the luxurious CX-9 with its three-zone climate control, indulgent leather trim, 10-speaker Bose audio, power sunroof and striking 20 inch alloy wheels. Oh yes, and the seven seats come in handy for ferrying the family around too.