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Video: Michael Mauer on the 991-series Porsche 911

Porsche has released a video featuring its Design Director, Michael Mauer, explaining how he and his team went about redesigning the 911, an ‘automotive, engineering icon' as he describes it. "What we as designers are striving to above all is to optimize the width to height ratio with the result that although the 911's width has not increased, the front axle area has become wider, and we've managed to make the roof a bit lower," Mauer explains via a rather dramatic-sounding voiceover.

Used car sales hit record high

USED CAR SALES were at their highest in five years in 2013. There was a 0.9% increase in used car trades, with more than 6.8 million exchanges of ownership recorded, though this is still some way behind the previous record high of 7.8 million used car sales in 2008. Analysis from Experian shows cars aged nine years old or over were among the strongest performers in the used car market, with sales up 6% in 2013 compared to the previous year.

Mercedes-Benz courts Renault for new Smart model based on Twingo

Mercedes-Benz is set to join forces with Renault in a deal aimed at providing its underdeveloped Smart division with a contemporary-engineered front-engine/front-wheel-drive platform as the basis for a frugal new Forfour model. The new Smart, due out in 2013, is planned to sit on a lightly modified version of the Renault Twingo’s underpinnings, complete with a 93.3-inch wheelbase. Speaking about the new car over the weekend, a highly placed Mercedes-Benz official told AutoWeek: “It’s a key component in plans to grow the Smart brand.