Why wouldn't you trust a car built to drive comfortably at those speeds?
I've driven highish end German cars at speed, and American muscle at speed, and there's NO question in my mind which is better engineered for that kind of behavior.
Watch the driving portion of the GT review by Doug DeMuro, he's blown away by the driving experience: https://youtu.be/l5zT005oGbA?t=1123