This red Mercedes SL prototype is spied by SecretNewCars.com-visitor Mario from Holland. [11-23]

A few weeks after it was revealed by the European patent office, the Audi RS5 Cabrio has been spied for the first time undergoing testing near the Nürburgring. [10-12]

Reportedly the new Porsche 911 Cabriolet gets a hardtop this time, but what apparently looks like a soft-top. [9-22]

Our spies have snapped the first pictures of the 2013 Porsche 911 Turbo Convertible at the Nürburgring Nordschleife. [8-29]

The will not be a XKR-S Convertible according to Jaguar. [8-16]

Loyal SecretNewCars.com visitor Denes Varga from Germany sent us these pictures of the new Mercedes SL. [8-12]

Loyal readers of SecretNewCars.com Jon Wilbrink and Tom Steenbergen from The Netherlands caught the SLK 55 AMG in the centre of Stuttgart, the home of Mercedes-Benz. [8-9]

Snapped, this 2012 Bentley Continental GTC Speed and we can see the updated model will feature an aggressive front fascia, a vented hood and new headlights. [7-15]