In regards to performance, it is not a problem at all to make a car with Tesla like horsepowers to weight ratios. But after doing that, you still somehow need to make a driveable car.

Few people who drove Nio ES8 for example can't hold expletives for the suspension setup, and extreme body flexing that makes doors to not to close after a single rough ride. Were not for their NDAs, Nio's creditors would've been calling back their loans now.