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The vehicle was unveiled in the 2007 Frankfurt Motor Show^[4][5] and customer deliveries commenced in March 2008.^[6] The sales of the U.S. models began with the 2009 model year vehicle, and had a base MSRP of $49,975.^[7]

[edit] Styling

The styling of the finalised production XF varies from that of the C-XF, most notably around the front lights and nose, which incorporates an oval mesh grille harking back to the original XJ of 1968 and is destined to be a feature of future Jaguars. The boot lid has retained the S-Type's chromed blade to its edge, but now sports a "leaper" as well. Boot space and practicality is much improved over its predecessor, with the option of carrying a puncture repair kit instead of a spare wheel to create further space   although this feature is not available in some markets.

2008 Jaguar XF

[edit] Aerodynamics

The car body was developed using Computational Fluid Dynamics (CFD) before the car ever saw a wind tunnel. Every area from the outer skin to the lightweight, composite undertray to the cooling airflow (even the shape of the exterior mirrors) was optimised using this process. The higher, squarer tail is more efficient aerodynamically than a lower, rounded one, and the XF’s coupé-like roofline and raised bootlid lip improve airflow over the rear of the car. As a result, the XF has the best aerodynamic performance, in terms of drag, of any production Jaguar ever and is better than the race-bred, limited edition XJ220 supercar.
The XF’s drag coefficient is 0.29, and the front-to-rear lift balance is precisely zero. This aerodynamic performance minimises wind noise, reduces fuel consumption, and aids strong high-speed stability and handling.

[edit] Chassis

The basic sub-structure of the XF has been carried over from the S-Type, although the body has been stretched to meet crash safety requirements, and heightened to provide additional headroom while still retaining the "saloon within a coupé" proportions. The suspension and mountings are the same as that used on the XK, while the engine line-up is basically as that used in the S-Type.
Sound and vibration insulation is provided by the addition of a special underbody tray and engine mounts, a tuned exhaust system, and a double bulkhead between the engine bay and passenger compartment.