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Watch the Porsche 911 GT3 rear-steering system work

A handful of manufacturers have offered four-wheel steering in the past including Honda, Nissan, BMW, Mitsubishi, Mazda and, most recently, Acura and Porsche. On Monday, suspension expert Elephant Racing uploaded a video to its YouTube channel demonstrating the feature on the 2014 Porsche 911 GT3. In most four-wheel steering cars--Acura and Porsche included—a computer controls the movable rear wheels.

2012 Infiniti FX Facelift arrives despite Infiniti saying it’s not needed

2012 Infiniti FX Facelift UK A facelift for the Infiniti FX has been revealed for the UK and Europe – the same facelift the US got last summer. Infiniti won’t believe us, but we do think the Infiniti FX has a lot to recommend it. There’s a decent choice of engines, it seems to ride well enough and can show a lot of competitors a clean pair of heels.

2012 Mercedes SL – the aluminium supercar

2012 Mercedes SL - it's got a lot of aluminium It’s perhaps a step too far to describe the 2012 Mercedes SL as an aluminium supercar, but there is no doubt the 2012 SL will be a super car, and that it gets made from aluminium instead of steel. And the 2012 SL 63 AMG will undoubtedly be in the supercar league. Just like Jaguar, Mercedes sees the liberal use of aluminium as a cost-effective way to make its cars both lighter and more rigid.