Lol a concept does not have to worry about any crash test or safety regulations. That's where most of the weight gets packed on.
I don't think we will see it decrease much in size when it goes to production. That's right about where it should be for a 2+2 sports car. It is still shorter than...
Toyota had the Supra trademark renewed. I doubt they will come up with a whole new nameplate for a project that behind closed doors is pretty much called the Supra. They have "Toyota Mirai" trademarked but that is terrible compared to Supra (even without the history).