Don’t know what you mean with “at once”. You need high rpm to have 1500 hp. With high rpm combustion combined with electric Regera also have 1500 hp “at once”, actually even at lower rpm then Chiron I belive. But only as long the battery can deliver power.

What do you mean “not ready yet”? Koenigsegg one to one did it last year (I think).

And what is the new tech? Smaller engine in production cars had almost the same power - thats tech. It exists almost as powerful car with almost halft the weight - thats tech. Autoopen doors, autolift system exists in other cars - that tech. I belive regera has 1500 hp - why do yu say the most powerful car? And if it…