doesent matter how many owners.
a car could have 1 owner but that owner could have raged it around for 200+k, equally a car could have had 15 owners but each one has been a lady driver that has used it to tootle around town for a few thousand miles each owner...
also if your looking for a smaller engine mk4 beware of the chocolate gear box.
and if your looking for a bigger engined mk4 beware of the insurance costs

my first year was £££
3000+ 
(i knew the price before i bought the car but had the money sitting there so thought why not i can afford it...