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Mercedes B55 (2011) - a ballistic V8 B-class

Mercedes' tuning arm AMG has not yet ventured into sensible B-class territory, but a bunch of Merc trainees in Germany has come up with this: the B55. It's a V8-powered B-class, complete with AMG-spec 383bhp 5.5-litre V8 mounted up front and driving an old W210 E-class rear axle. Sounds like a promising skunkworks special, derived from an old B200 CDI hack that was kicking about the training centre.

BMW Concept X1 (2008): teaser video

By Ben Pulman First Official Pictures 29 September 2008 11:04 BMW will unveil its Concept X1 at the Paris motor show, a tarted-up version of the production car that will debut in mid-2009. But ahead of the official debut BMW has released this teaser video. Of course it's a PR stunt, with glimpses of the Concept X1 mixed in with shots of skateboarders and grafftti artists, but it gives us our first look at the new X1 on the move.

Audi A5 & S5 Cabriolet model range and images

Audi A5 and Audi S5 Cabriolets announced With the Audi A5 Cabriolet and the Audi S5 Cabriolet scheduled for launch in the Spring, Audi has released details of both models today, together with a whole heap of images. The A5 Cabriolet offers up four petrol versions – 1.8TFSI, 2.0TSI (in either 180bhp or 210bhp guise) and a 3.2FSI – and a couple of diesels – the 2.7TDI and the 3.0TDI. The S5 Cabriolet gets the new Supercharged V6 with 333bhp we told you about in November.