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Jaguar XF Diesel S (2008): first details

By Tim Pollard First Official Pictures 29 December 2008 00:31 Jaguar today announces a family of new higher-powered diesel engines, led by a rapid 271bhp version of the derv XF that's aimed squarely at the BMW 535d. It's the fastest diesel Jag ever – and will also slot into the XK coupe and cabrio.The diesel work-out is good news for the XF – today's 2.7-litre V6 turbodiesel doesn't have the clout to mix it with the best German engines. We've already complained about the slothful performance of our long-term test XF and the new, bigger 3.0-litre oil-burner should answer such criticisms.

Mercedes AMG GT teased on video

The new Mercedes AMG GT gets teased on video. Mercedes effective replacement for the SLS – the Mercedes AMG GT – is due to be revealed at the Paris Motor Show later this year, but Mercedes has already started the slow reveal of the AMG GT with photos of the interior last month. Pitched a bit further down the supercar ladder than the SLS, the AMG Gt is aiming to take on cars like the Porsche 911 and deliver a car that Mercedes hope will be the benchmark in its class.

Alfa Romeo 4C spied in Michigan

During the Detroit auto show in January, Fiat and Chrysler CEO Sergio Marchionne told us -- in his own irreverent way -- that arrival of the long-promised Alfa Romeo 4C would be delayed once again. But as these spy photos show, testing on the sporty coupe continues even as a debut date remains elusive. This isn't the first time we've caught the 4C testing in the States.