The short answer is “a lot”. The Electric Viking has an amazing episode about this.
If you are up on what Tesla is doing you will be close to what Xpeng is doing. That can be summarized by saying they are seeing what the competition (which is primarily Tesla) is doing and doing it better. That goes all the way from self-driving to gigacastings.
Of particular interest, the CEO of Xpeng predicts that there will be only five to seven EV makers left in China within ten years. He goes on to point out that Xpeng is number seven today so they need to get going to move themselves up.
