2006 Jaguar XK8 Values

A carry-over from 2005, the XK8 is a two-door four-passenger luxury sports car offered in both coupe and convertible configurations, in Base trim with a 4.2-liter V8 that produces 294 horsepower, or the XKR that adds a supercharger to the 4.2-liter V8 (which increases horsepower to 390).