Walker Products P N 924 1480 on 2040-parts.com

Video: Porsche GT2 RS attacks GingerMan Raceway

You saw our walk-around and overview of the 2011 Porsche GT2 RS earlier this week. As promised, here's the VBox footage of Autoweek editors blasting around GingerMan Raceway in southwest Michigan doing what the Porsche does best. So far we've brought you track-day action featuring the Chevrolet Corvette Z06 and the Porsche GT2 RS--what's missing?

Ferrari Enzo successor to make 920 hp

About a decade and a half after Porsche eschewed its lightness-and-small-displacement strategy and built a five-liter sports racer to take down Ferrari at Le Mans, a different sort of war kicked off between the two marques: a battle for supremacy in the super-supercar market. In 1984, Ferrari built a radically modified twin-turbo 308 GTB with an eye toward Group B road-racing rules. Porsche countered the resultant 288 GTO with the mighty 959, which launched at about the same time as the 288's successor, the practically skeletal and infinitely loopier F40.

Citroen C5 – Model range & new engines

Citroen has added two new engines and tweaked the C5 range The Citroen C5 is a better car than you’d think. It manages to differentiate itself from the German competition – mainly with its different driving dynamics. With its hydroactive suspension it is comfortable in a way no German saloon ever could be, without giving away too much in the handling stakes.