Jaguar is marking the centenary of the company's creator, Sir William Lyons, with limited editions of its XJR performance saloon and XKR sports car models.

Named the XJR 100 and XKR 100, both combine the sporting and the luxurious in the tradition that Sir William established as Jaguar's hallmark.

Just 500 examples of each of the XJR 100 and XKR 100 (coupe and convertible models combined) will be sold worldwide. All the cars have sleek black metallic paintwork, leather interiors and luxury specifications.

The new models

In addition, their performance credentials are highlighted with a series of brand new additions to Jaguar's growing range of R Performance Options, which are initially exclusive to the limited edition cars.

Key features of the new XJR 100 and XKR 100 include 'Anthracite' exterior paintwork and new, R Performance nine-spoke BBS alloy wheels and cross-drilled Brembo brakes; leather-trimmed interiors in 'Warm Charcoal 'with the latest designs of R Performance steering wheel and Momo gear knob,plus new R Performance leather Recaro seats for the XKR 100.

The XKR 100 interior also has aluminium trim highlights for the interior, including door handles, sports-style pedals, gearshift surround and instrument surrounds.

Both models are powered by supercharged 370 horsepower, 4.0-litre V8 engines, with five-speed automatic transmissions.

The cars use Jaguar's dynamic Computer Active Technology Suspension (CATS), and a special R Performance Handling Pack for the XKR 100 coupe.

Luxury specifications include DVD navigation system, premium sound audio system, reverse park control and rain-sensing wipers.

On-the-road prices for the centenary limited edition cars are £58,935 for the XJR 100,£69,950 for the XKR 100 coupe and £74,950 for the XKR 100 convertible.