As promised, the all-new 2016 Jaguar XF sedan made its first appearance as part of a dramatic over-water high-wire crossing that took place in London's Canary Wharf district prior to its debut in New York. But that high-profile entrance aside, the second generation of Jag's popular midsize 4-door has an impressive story to tell in its own right. A comprehensive remake endows the 2016 XF with a more refined design coupled with upgraded...