Jaguar’s XKR builds upon the XK with a 420-hp, supercharged version of the 4.2-liter V-8. There’s also a modified suspension that firms up the ride but sharpens the handling.

Performance metrics for the 2012 XKR-S Convertible are still forthcoming, but Jaguar claimed the coupe could leap from 0-60 mph in 4.2 seconds before racing to a top speed of 186 mph.

If the 300-horse Jaguar XK isn’t compelling enough to make a cat person out of you, Coventry is set to pounce on the market with its 2007 XKR. The supercharged 4.2-liter V8 under the XKR’s ...

Today’s news focuses on the high-performance trims of the luxury Jaguar XK Coupe and Convertible. The price of entry for the 2007 XKR Coupe is $85,835; $91,835 for the Convertible. Prices do not ...

2011 Jaguar XKR Special Edition – Click above for high-res image gallery Let’s start with the first two. For 2011, the supercharged, 510-horsepower XKR will be available with a Speed Pack ...

Sometimes 175 mph just isn't enough. That, at least, is the view of Jaguar North America, which reckons the limited-edition XKR-S sports coupe isn't quick enough for U.S. sports-car buyers.