Front splits selection is such a personal preference and in some ways we're influenced by what others or the reviews says, to which I'd advise, 'Don't be' .
I was in your situation just a short while ago. I was bend on the Dynaudio 242gt because I read good reviews about it. I don't want to give the wrong impression that this isn't a good sounding speaker. it is but you need to try and audition it with some other splits to see which ones are to your liking.
I'd just like to answer your question as to whether it's twice as good. To be able to do this, I'll compare it to the Crescendo Opus 8.6. I've audition both and I prefer the Crescendo. The Crescendos sounded superb and definitely highly recommended. However, it's probably not a very fair comparison as I heard the Dynaudio on a demo board but I heard the Crescendo in a professionally installed car with BitOne. The Crescendo Opus 8.6 is replaced by a better and cheaper version the Opus 7B at $559 RRP.
As pointed out by peaandham, there are a lot others that are good. I've Hertz Mille mlk 2 tw in my Euro and I think it sounded superb. I heard the Focal 163v30 briefly on a demo board and thought it sounded nice.
After you've done a lot of auditions you may still be none the wiser. You'll have liked a lot of speakers and others you may not like as much. As Marty pointed out, the ones that I liked, they will all sound good when setup properly. So at the end, it comes down to cost, brand preference and other feels good factors. Truth is if you're really going to be serious with this hobby, you'll go through several splits purchase just to experience it or perhaps from 2ways to 3ways.
Good luck with the choice and you'll have a very enjoyable time
P/S - attend some up coming MEASQ comps to get a better idea.