Buying a luxury car in the price range of the Jaguar XJ has a lot to do with exclusivity. Because it’s rare to see it on the road, Cars.com’s Executive Editor Joe Wiesenfelder suggests that the XJ stands out versus the Mercedes-Benz S-Class and BMW 7 Series. Oh, and it’s competitive in all those other important areas like power, handling and braking. He does find many reasons to think twice about the XJ in his full review.