Regular or Sumo?

Hello everyone! I'd like to apologize in advance if I posted in the wrong section and for my english.

Why should a lifter choose to deadlift sumo-style over regular? I've heard it's about the torso-to-legs ratio, with people with longer torsoes being more suitable for sumo and vice versa for regular. Are leverages the only factor affecting it?

My main problem is that I'm a hybrid: I've got quite long legs and femurs, but my legs are very big compared to my back. I've been told that sumo is more of a leg-oriented lift so I decided to try it. Problem is that I can't get vertical enough, because my hips get down too much and it feels very uncomfortable. The opposite is also true meaning that if I raise my hips I get too horinzontal with my body and I may as well pull conventional to use my hamstrings from a more efficient angle. When doing all of the above I always try to hyperextend my back and open up my legs as much as possible in order to shorten my leverages, but it seems to me there's "no room" for an optimal setup. I may be doing something wrong of course.

Should I just switch to regular and work on improving my back strength or should I give sumo a bit more time in order to learn it? Which one will give me the greatest amount of weight lifted in the long run?
I should add that as of now, I raw squat more than I raw deadlift, which is pretty strange to me and means there's something wrong.

I think that without a video it's quite difficult to give an answer.
The best you can do is make a good video in order we can comment it.

Overall, select the style that give you more kg and stick to that.

I don't think a bigger raw squat than raw deadlift is that strange, depending on your weight class and training experience. I'm under the impression that the heavier lifters have a higher squat/deadlift ratio than their lighter counterparts and that many really strong guys have high squats.

That being said, I also have long legs compared to my torso (and long arms) and I'm quite stronger in sumo style.

And a vid would be nice.

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