It depends on the car, and the design, literally.
I had an X1/9 that could do 150 mph, given the right road: the faster that car went, the more positive the steering, it sucked itself down to the road and handled like a dream. that little 1600cc engine would just SCREAM,too.
The Fiero GT.... was a PIG. Anything over 90 mph, and the steering would 'float': the front end would begin to rise and would cost me steerage and control as a result.
The Dodge Viper was an absolute TANK in the corners, and didn't even do well in a straightaway.
Every vehicle is different, and some are better than others: most of us will never see speeds over 100 mph, so it's moot with me.