I was always a huge M5 fan until the latest version. It’s too gimicky & ‘electronic’. The old M5 was an awesome piece. I really think the new gen CTS-V is a cooler car. The V10 M5 may have an edge in certain places, but the driving experience is somewhat artificial.
The XF-R is a serious piece. Anybody who drives it is impressed. Jaguar has stepped up their game. I would love to try one out sometime.