The XKR-S is the fastest and most powerful mass-produced
Jaguar of all time, while the XJ Ultimate edition shows what the British automaker can do with its lavish cabin. Both are six-figure cars that Jaguar believes have paved the way for more special editions to come. According to Autocar, these top-of-the-line specials, and upgrade packages such as the XFR Speed Pack, have given Jaguar the impetus to launch even more options and exclusive luxury models as part of its plans for expansion.