Jaguar’s engineers have been working tirelessly during the severe European winter on a new, highly efficient turbodiesel version of the company’s XF executive sedan. Due to be shown towards the end of April, 2011, at the New York Auto Show, this new XF features the smallest turbodiesel engine yet offered in a large Jaguar sedan. IMPRESSIVE NUMBERSThe 2.2-litre four-cylinder diesel engine is longitudinally mounted and features a host of sophisticated mechanical engineering technologies. Its turbocharger is water-cooled, with internals (pistons and crankshaft) all made of low-friction materials. Jaguar’s engineers specially developed a new sub-assembly to assist the XF's stop-start system, and to this end the crankshaft beds down close to a new oil pan, allowing greater efficiency when the engine restarts. Statistically the 2.2-litre turbodiesel is good for 139kW and 450Nm, guaranteeing swift dynamics (0-100km/h in 8.2 seconds) and outstanding efficiency. Jaguar says its latest luxury car derivative will return an amazingly frugal 5.4l/100km. A crucial feature enabling this impressive blend of performance and economy from the new XF powerplant is ZF’s eight-speed automatic transmission, which has established its (very high) credibility in BMW’s 5 Series. With seventh and eighth gears effectively acting as overdrive ratios, the seamlessly shifting ZF transmission is now the standard by which all other luxury car automatic transmissions are judged. Jaguar is expect to announce the model rollout and pricing details for the new XF 2.2 diesel at its 2011 New York Auto Show debut.