It's about control. And balance. Poise and precision too. But more than anything, fun. Mastering how to pilot Porsche's newest 911 models around an ice-packed, snow-covered, sinewy racetrack has to be ...

Jaguar's Ice Academy lets drivers test their limits on a frozen lake. The commands were coming fast and furious from the walkie-talkie positioned upright in the cupholder. "Turn, turn the steering!