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918 Alert! Porsche's stinging spyder grows closer to becoming reality

The first fully road-going prototype of Porsche's upcoming 202-mph hybrid-powered 918 Spyder has been seen during shakedown runs at the company's R&D center in Germany. Porsche released its own lightly disguised photographs of the cars being tested. The mules are “camouflaged” in livery meant to summon the famous 917 racer.

BMW M5 Diesel Confirmed – the BMW M550d, perhaps?

A diesel M5 - the BMW M550d, perhaps? We’ve been reporting on BMW’s triple-turbo diesel engine since we broke the news back in 2009 that BMW could be working on a triple turbo option for their 3.0 litre diesel, designed to create an ‘M Diesel’. And it now looks as though that will arrive as the BMW M550d – or a variation on that name – as soon as 2012.

Is the McLaren P1 order book about to close?

We’re hearing that McLaren is ready to close the order book for their P1 supercar before the specification – or the car – have been fully revealed. We’ve had the reveal of the P1 Concept – and seen it floating round the world as McLaren drum up potential customers with enormous bottomless pockets – and we’ve even seen the P1 on the move as McLaren shake down the development version of the P1. But so far we haven’t had the full specs of the P1 revealed and, as far as we can tell, McLaren hasn’t even divulged the full details of the P1′s power and performance to potential customers – no matter how wealthy they are.