This is a tough question, there's no easy answer. City Navigator is more up-to-date in certain regions of Hellas like the northern part of the country and the islands. That sounds good but this map gives weird routing in a lot of cases because of the SID file "TrafficTrends", removing it makes things better & the peculiarity of Hellenic road network something that Auto Drive Hellas handles extremely well giving more realistic routes. What Auto Drive really needs is more work out in the field which is kind of hard considering the economical situation in Hellas these days. Personally i prefer Auto Drive Hellas ...

Sorry it took me so long to answer i just read your post