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.

Ken Okuyama Design heads to Tokyo with new road racer [w/video]

Ken Okuyama Design is heading to the Tokyo motor show with what promises to be a real treat of a two-seat sports car. The Kode9 coupé, as teased in a behind-the-scenes video, follows on from the Kode7 first shown in 2008 and, if the video is any indication, this voluminous, 1960s-inspired creation will continue that car's attention to delightful detail. And who doesn't love a car with a vertical tail fin?

2014 Fiat 500 UK price and specs – costs from £10,160

The 2014 Fiat 500 arrives in the UK It’s hard to update a car that’s already a pastiche of an original, so Fiat has been very cautious with the updates for the Fiat 500 for 2014, although there are some welcome improvements. One modern change is the arrival of a 7″ TFT digital instrument display – standard on the 500S and 500 CULT and optional on 500 Lounge versions – which does a good job of mimicking the 500′s analogue instruments but with a central section that can be configured to display stuff like trip information and allows for more detailed information on everything from gear shifts to SatNav info (where specced). The biggest mechanical update comes with the arrival of a 104bhp version of the 0.9 litre TwinAir engine promising 0-62mph in 10 seconds (and it’ll feel a lot quicker) and official economy of 67.3mpg (you’ll get a lot less).