Its pretty in between as far as size goes. But it shares many parts with the 3 and most importantly is much closer to the 3 on price. The 3 Dual Motor Long Range is about $48k and the Y is $50k. The X Dual Motor Long Range is $80k.

So if it will probably take some sales from both the 3 and X. But X sales aren't very significant compared to 3 sales anyway.