The Jaguar XK series (XK, XK8 and XKR) is a series of grand tourer cars produced by British car maker Jaguar since 1996. The series was introduced at the Geneva Motor Show on 5 March 1996. The first generation of the series, the XK8, replaced the XJS, and was available as a coupé and convertible. The XK8 was the first 8-cylinder vehicle produced by Jaguar, when the Jaguar AJ-V8 engine was introduced.

The second generation XK was launched in 2006. The new XK introduced an aluminium monocoque bodyshell, and is available both as a two-door coupé and two-door cabriolet/convertible, with just the engine and associated mechanicals being carried forward.

The XK8 was launched in 1996 to replace the XJ-S. Two body styles were produced - a coupé and a convertible. The car was the first in the Jaguar line-up to use Jaguar's newly developed V8 engine - the AJ-V8. In 1998 the supercharged XKR was added to the range.

The completely new Ian Callum designed XK was unveiled in 2005 Frankfurt Motor Show. Ian claims that the inspiration for the shape of the new XK came from his admiration for British actress Kate Winslet's curves.[1] The XKR has an unlimited top speed of 174 mph, the standard XK has an unlimited top speed of 158 mph. The faster XKR-S model was added in 2012. The XKR-S gained an additional 40 horsepower over the XKR which brought the 0-60 mph time down to only 4.4 seconds and the top speed up to 300 km/h. A convertible version of the XKR-S has also been released.[2]