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BMW X6 M50d (2012) leads facelifted X6 range

BMW is facelifting its most controversial model, the X6. And what better way of tidying up this coupe-cum-SUV than adding a diesel M version? The new X6 M50d is among the first of a new range of stop-gap M models to slot between the full M GmbH cars and the trim-level M Sport models.

Porsche celebrates 50 years of the 911 at Pebble Beach

Seven generations across 50 years; nobody has ever matched what Porsche has done with the 911. What started out as the Porsche 901 quickly became the 911 – and wouldn’t take long to become a legend. As one of the most accomplished road-going supercars ever created, it's easy to see why the 911 is also a consummate champion in the motorsport arena – and to celebrate that fact, at Pebble Beach 2013 there was a huge array of road and race 911s, courtesy of Porsche itself along with a stack of private owners.Click through the gallery to see our pick of these great cars...

Aston Martin V12 Zagato (2011) unveiled at Villa d'Este

Aston Martin today unveiled the new 2011 V12 Zagato, a V12 Vantage supercar rebodied by Italian coachbuilder Zagato. We saw the first design sketch a few weeks ago, designed to mark the 50th anniversary of the gorgeous DB4 GT Zagato of 1961. Now Aston Martin and Zagato are unveiling the new V12 at this weekend's Villa D'Este concours in Italy.