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Citroen C-Buggy

Citroen will show their latest concept in Spain at the Madrid Motor Show next week. Chopping the roof off last year's C-AirPlay brings the concept closer the Smart Crossblade seen in 2001, and proposes a potential direction for a more leisure-orientated supermini. Just as open-cars are philosophically opposed to closed ones, Citroen has carried this equation through to the trim as well: the gray exterior of the C-Buggy contrasts with the white of the C-AirPlay, while the green interior inverts its forbear?s rouge.

2014 Porsche Cayman gets a performance-testing iPhone app

To promote the new 2014 Cayman, Porsche has cooked up an iPhone app called “Cayman Code of the Curve.” You're probably already rolling your eyes at the prospect of another automaker app that is little more than a downloadable advertisement, but this seems to be something different -- the app is designed to record your driving performance in real-time and then share results with friends. Porsche enthusiast site flatsixes.com has an exclusive first look at the app, which is still in development but is reported to be coming “soon.” Based on preliminary screenshots provided by Porsche, the app instructs users to set up a variety of courses -- cone slalom, autocross and reaction-time challenge courses are shown -- then uses the iPhone's internal accelerometer and GPS receiver to track and record your performance. You'll also be able to use the app's “record your curve” function to share favorite drives with friends on Facebook.

Shelby GT500 durability car to be auctioned off at Barrett-Jackson

Carroll Shelby will have his name all over the Barrett-Jackson Collector Car Auction in Arizona this weekend. In addition to the anniversary edition Shelby Cobra being displayed for the first time, a 2013 Ford Shelby GT500 durability car will be auctioned. The sale will raise money for the Juvenile Diabetes Research Foundation.