I haven't had my XF over 90 yet, and I've had it for over a year now.
But my Wife had it over 100 the first week we got it. I about died when she told me because that was very much out of character for her.
She did it on a two lane road (rt.224) about 3:30 in the afternoon, coming home from school. (She teaches 3rd grade).
I said, "Are you nuts?!!" She said there were no other cars on the road except behind her, and she couldn't believe how fast it got up to that speed. It felt almost as if she was only doing 65 or 70.