PORSCHE 911 GT2 RS BUILT TO SMASH 'RING RECORD...

Most hardcore 911 variant adopts hybrid system to make at least 750bhp

- By GREG KABLE

The most extreme road-going Porsche 911 model yet is edging closer to production - and it's being honed with one clear and uncompromising target in mind: to reclaim the Nürburgring lap record for a production car.

Since the first 911 GT2 RS arrived in 2010, the model has marked the outer edge of the 911's performance capabilities - and this third-generation one looks set to raise the bar once again.

Prototypes seen testing in Germany feature aggressive new bodywork, including a drastically widened rear wing that gives it an even more dramatic, race car-like stance than earlier incarnations.