Audi has developed a GT3 version of the R8 sport card, which is internally known as the R16. This new R16/R8 GT3 is equipped with a six-speed sequential gearbox,  and a modified front end and a large rear-wing generate the required downforce for the …

Porsche 911 GT3 RS is powered by a 3.6L engine which can generate 415 bhp @ 7600rpm, while Lamborghini Gallardo Superleggera is powered by V10 that generates an incredible 530hp.

Which one is faster? Watch the video after …

Vicki from Fifth Gear takes the 2007 Porsche 997 GT3 out for a road test. Watch the video after the break.

This 2007 Porsche 997 GT3 is
priced at US$106,000 and uses an updated version of the naturally-aspirated 3.6 L flat-6 from the 996 GT3 — engine produces …