Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

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.

One pothole for every mile of road in Britain

There is now one pothole for every mile of road in Great Britain, according to official data sourced by car breakdown and recovery company Britannia Rescue following a Freedom of Information Act request. And just like everything else in the UK, it would seem we can blame the weather, with experts suggesting that the combination of a harsh winter and a dry summer has exacerbated the problem. On Bing: see pictures of potholes Find out how much a used car is worth on Auto Trader The result is a 79% increase in compensation claims, with UK councils receiving 32,000 reimbursement requests in the past financial year.

GM weighs moving next GMC Sierra upscale

General Motors will do more to differentiate the GMC Sierra from the Chevrolet Silverado when redesigned versions of the pickups go on sale in the first half of 2013. Sierra models may get a longer list of standard equipment and a higher sticker price than comparable Silverados, Mark Reuss, GM president of North America, said in an interview at the Detroit auto show. A similar strategy has proved successful in differentiating GMC's Terrain and Yukon models from Chevrolet's Equinox, Tahoe and Suburban.