Jaguar XKR-S Convertible coming to the 2011 LA Auto Show

Article by Christian Andrei, on November 11, 2011

Jaguar’s stand at the Los Angeles Motor Show will feature the global debut of its new XKR-S convertible. The Jaguar C-X16 production concept will also be unveiled in North America. The new soft-top version is a lot similar to the XKR-S Coupe. It’s probably powered by the same 5.0-litre V8 supercharged engine, which delivers 542bhp and 502lb ft of torque.

This makes it 39bhp and 41lb ft of torque higher than the standard XKR-S.

It has a limited top speed of 186mph and it has an acceleration time of 4.4 seconds just to go from zero to 60mph. It’s expected that any dynamic revisions made to the new cabriolet will likely be the same as those for the coupe.

These will consist of a more aggressive styling, some aerodynamic enhancements to the front and rear, as well as stiffer spring rates over those of the standard XKR's.

In addition, it comes with a new aluminum steering knuckle, reprogrammed damper and differential controls, wider tires and lighter wheels. The pricing information for the super-cabriolet hasn’t been released yet.

The new Jaguar XKR-S Convertible features an array of aerodynamic design changes that were a result of extensive testing on the wind tunnel and track, as well as Computational Fluid Dynamics.

These changes allow the new Jaguar XKR-S Convertible to remain stable while travelling at speeds of up to 186mph (300km/h). Aside from their functional benefits, these aerodynamic design changes also bestow the car with a front end that is both aesthetically dramatic and bold.

The convertible also comes with vertical feature lines running down from the extremities of the oval air intake into a newly designed bumper where a wider yet lower air intake, twin side nacelles and a carbon fiber splitter have been integrated. Vertical panels on the edges of the bumper are designed to guide air to the side of the Jaguar XKR-S Convertible along new sills, which could smooth the horizontal airflow while highlighting the car’s lower ride height (by 10 mm).

Aerodynamics is further improved through the installation of a distinct rear wing with a carbon fiber inlay as well as a rear apron with a carbon fiber diffuse. In fact, Jaguar was able to achieve a balanced aerodynamics both in the front and rear and reduce the overall lift by 26 percent.

On the other hand, the exterior of the new Jaguar XKR-S Convertible is wrapped in gloss black, as complemented elegantly by the lightweight, forged 20-inch Vulcan design alloy wheels in dark technical finish. Behind these wheels are Jaguar High Performance Brake calipers finished in either red or gunmetal. Customers could have their Jaguar XKR-S Convertible wrapped in any of the available colors like Polaris White and British Racing Green.

Proven to keep up with the convertible’s top speed, the hood could be employed or deployed in just 18 seconds. This hood is specified in black as standard although customers could also choose from six more optional colors. Ian Callum, Director of Design, Jaguar Cars, described the transformation of the Jaguar XKR-S Coupe into the Jaguar XKR-S Convertible as exciting.

He noted the spirit and thrill involved in top-down driving, especially if it involves a car capable of hitting high speeds. Serving as the core of the new Jaguar XKR-S Convertible is the third generation all-aluminum quad-cam AJ-V8 petrol engine. This utilized an engineering integrity that allowed Jaguar's engineers to squeeze more power and torque.

This engine features spray-guided direct injection and variable valve timing for better and higher power. It is provided with a Roots-type twin-vortex supercharger – located in the 'V' of the engine – that features twin intercoolers and is around 20 percent more thermodynamically efficient than the previous V8.

In fact, this AJ-V8 engine could provide 550PS in max output and 680Nm in peak torque, thereby enabling the convertible to sprint from nil to 60mph in just 4.2 seconds (or 0-100km/h in 4.4 seconds) and achieve an electronically limited top speed of 186mph (300km/h).

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