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More Power! Get the details on the potent Porsche 911 GT3 RS 4.0

Porsche has ramped up the already heady performance of the 911 GT3 RS through the adoption of a new, naturally aspirated 4.0-liter version of the company's sturdy, horizontally opposed flat six-cylinder engine. The unit kicks out 50 hp more than the 3.8-liter six-cylinder used in the existing 911 GT3 RS. This mill claims 500 hp at 8,250 rpm, a figure which makes the speedster the most powerful naturally aspirated road-going version of the 911 ever.

Mercedes AMG has best year ever

With car sales plummeting in 2008 (and likely to be worse in 2009) there aren’t many bright spots around. But performance saloons are certainly one of them. As we reported back in December, BMW’s M Division had a cracking year, with sales of nearly 27,000 for the year.

LA Auto Show Design Challenge theme: 'Sensing the Future: How Will Cars Interact with Us In 2029?'

The Los Angeles Auto Show has confirmed the theme for its annual Design Challenge. This year marks the eleventh time the contest has been held, and eight global design studios will each produce a concept to showcase a connected vehicle or interface system in response to the theme: 'Sensing the Future: How Will Cars Interact with Us In 2029?' The show's organizers have confirmed that BMW Group DesignworksUSA, Honda USA, Honda Japan, McLaren Automotive, Nissan, Peterbilt Motors, Qoros Auto, and SAIC Motor MG will all take part. "Los Angeles is one of the world's most dynamic cities constantly keeping its eye on the future of technological advancements that largely affect our daily lives," said Lisa Kaz, President of the LA Auto Show.