Audi R8 GT Spyder (2011) sketches

This is the car to render the Lamborghini Gallardo Performante pointless – it’s the Audi R8 GT Spyder, a drop-top version of the lighter, faster R8 GT coupe. Previewed in these design sketches from Audi, the R8 GT Spyder is expected to be revealed in full at the 2011 Frankfurt motor show in September. So this Audi R8 GT Spyder is a R8 GT without a roof? Essentially, yes.

Infiniti FX designed by Sebastian Vettel (2011)

This bespoke one-off Infiniti FX has been designed by reigning F1 champion Sebastian Vettel - and it'll be at the 2011 Frankfurt motor show. Vettel, who drives for Red Bull Racing, is also an ambassador for Nissan's upmarket car division. Infiniti is a sponsor of RBR, and so Vettel is often seen at Infiniti events.

Nissan debuts Sport Sedan Concept at Detroit auto show

Nissan introduced the Sport Sedan Concept to go along with its IDx twins at the Detroit auto show on Monday. The company says the sleek four-door embodies the next-generation design cues, including the V-Motion front end, floating roof and boomerang headlights. “The Sport Sedan Concept shows a new, highly emotional and energetic design direction that takes Nissan's approach of applying sports-car principles to a sedan to the next level,” said Nissan vice president Shiro Nakamura.