Ratings data for all body styles and trim levels within a particular model family are aggregated when calculating the model's overall Power Circle Rating.
Overview
What Changed for the 2010 Jaguar XK coupe and Convertible:
Minor exterior facelift includes a new front fascia, rear LED lamps
Mechanical changes include variable-damping shock absorbers, or "Jaguar Adaptive Dynamics"
New rotary-style transmission shift interface, as seen in the Jaguar XF model
Six different models: XK coupe, XK Convertible, XKR coupe, XKR Convertible, XKR Portfolio, XKR Portfolio Convertible
Standard engine is a 300-hp, 4.2-liter V-8 sending power to the rear wheels
XKR models feature a supercharged, 420-hp, 4.2-liter V-8 powerplant and rear-wheel drive
All models share the same 6-speed electronically controlled automatic transmission
Convertible models feature a three-layer soft top that retracts in less than 20 seconds
Portfolio models offer exclusive Shadow Grey Paint, 20-inch wheels, premium audio, and other cosmetic enhancements