Whether it is the coupe or the convertible, the coolest cat in the industry rediscovered its roots in 2007 when it was completely redesigned. For 2010, the XK with a choice of two new V8 engines, respectively producing 385 and 510 horsepower. Another interesting addition is the six-speed automatic transmission with electronic selector. And best of all, it seems to be reliable, something which has been a steady trend for Jaguar for many years now.