Note that the article is an auto-generated comparison. In my opinion these two cars aren't really comparable and are only kind of similar in terms of looks and dimensions. Everything else is pretty different. The volvo is about twice as heavy and up to three times as powerful depending on configuration and is available with allwheel drive vs just frontwheel drive fir the Dacia and far more luxurious.
They appeal to a completely different class of cutomers.
Yeah, there are lots of manufacturers like that. They typically start out as an overseas factory producing the main manufacturer's cars, then the factory expands into producing its own cars alongside.