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Porsche plans four-door Panamera convertible

A series of European and U.S. patent applications obtained by AutoWeek show that Porsche remains committed to building a four-door convertible version of its flagship Panamera, despite recent comments from Zuffenhausen insiders indicating the car had been canceled. The new car, depicted in official drawings that accompany the latest Porsche patent applications filed in February, eschews the two-door route taken by all of its upmarket rivals for a four-door body.

Tomorrow's world: the touchscreen steering wheel

You might think the steering wheel has done a pretty good job of directing cars for the past century. But now a team of researchers from the University of Stuttgart is attempting to reinvent the wheel. The scientists have come up with a touchscreen steering wheel, which they reckon could replace the humble wheel with stereo and cruise controls.

First Sight: Mercedes-Benz A-Class

The first generation A-Class was the first front wheel drive passenger car from Mercedes-Benz and its first compact hatchback. Its revolutionary packaging and infamous encounter with an elk made a big impact in 1997, and since then over a million have been sold. Specification The new A-Class maintains its predecessor's innovative sandwich floor concept, where the powertrain moves under the passenger cell in the event of a big frontal impact and thus enables a longer cabin for the length of footprint.