Aren’t they just old Renaults.
Certainly not these days – Dacia use’s much of the running gear seen in modern Renaults. Where they differ is on equipment levels and are typically bare bones.
The Bigstar has a 3 star euro NCAP score. One reason for that it doesn’t have rear occupancy detection, so won’t bing bong at you if put a shopping back on the rear seats, which could actually be a good thing!