2007 Jaguar XK

The outgoing Jaguar sports car, the XK8, is 10 years old, and in its later years, had become a patchwork as new technologies like satellite radio, navigation and airbags had to be adapted to it. Its V8 horsepower number began with a 2 instead of a 3, putting it way behind the competition. There were new safety and emissions goals to be met. So they threw out the XK8 and replaced it with a brand new car from the ground up, the first aluminum-chassis sports car in Jaguar's six decades of production. They've changed the name, too, in the process, from XK-8 to XK 4.2. Source: carseek.com