Flowmaster 2010024 Direct Fit Catalytic Converter on 2040-parts.com

Driven: Fisker Karma

Even top-flight car designers are usually not known for their business acumen. So Henrik Fisker's announcement that he would build the "the world's first luxury plug-in hybrid" was met with some cynicism as he stood next to his Fisker Karma concept at the 2008 NAIAS in Detroit. Three years on and CDN is one of the first to get to drive Fisker Automotive's production Karma, a car so hot of the press this model is number three or four off Valmet Automotive's production line in Finland.

Preview: Porsche Panamera

After what has already been the most drawn-out model introduction ever (the initial Porsche sketches of the new model having been revealed in 2005), Porsche has finally released the first official rendering of its forthcoming Panamera sedan, set to be launched in 2009. Though the plan view doesn't show much of the new Porsche's design, the company says the features will 'include a wide and low body offering dynamic proportions and muscular design'. But while the grand tourer will have a 'compact overall look', the interior space is claimed to offer a brand-new experience of roominess, with two single seats and generous headroom at the rear allowing adults to sit in comfort.

2015 Volkswagen Passat – the 10 things you need to know

What will the 2015 Volkswagen Passat look like? Well, VW has teased us with a set of pictures and various technical details of the all-new Passat, which will go on sale next year. Demand for traditional family saloons has fallen dramatically in recent years, but  Volkswagen is going after that section of the car-buying market – as well as the BMW 3 Series  and the new Mercedes-Benz C-Class – with its new 2015 Passat.