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Tesla Model S performance version to rival BMW M5

Tesla Model S with M5 Performance Our inherent scepticism about Elon Musk’s claims for the Tesla Model S refuses to go away, but Tesla are convinced they can deliver the Model S with a 300-mile range, great looks, great performance and top-end tecchy goodness at a sub-$70k price tag. And now, it seems, there is going to be a Tesla Model S with performance to rival the BMW M5. At an event yesterday in California, Elon Musk revealed that at launch – the Model S is expected to be hit the road in 2012 with UK cars arriving in 2013 – the Model S will in fact have four variants on offer.

McLaren MP4-12C (2011): the full spec announced

CAR is at McLaren HQ in Woking, Berkshire, today to hear the full specification of the new company's new MP4-12C supercar.Scroll to our video player below for live footage broadcast straight from the event at McLaren Automotive. The video will begin at 10.30am GMT on Thursday 18 March 2010 and we'll upload the full video for playback as soon as it's ready. McLaren F1 drivers Lewis Hamilton and Jenson Button were on hand to talk about their experiences with the 12C – they drove it hard at Goodwood earlier this month – and you can read their thoughts at the foot of the page.

Video: Porsche GT2 RS attacks GingerMan Raceway

You saw our walk-around and overview of the 2011 Porsche GT2 RS earlier this week. As promised, here's the VBox footage of Autoweek editors blasting around GingerMan Raceway in southwest Michigan doing what the Porsche does best. So far we've brought you track-day action featuring the Chevrolet Corvette Z06 and the Porsche GT2 RS--what's missing?