Tiff Needell evo track battle: Nissan GT-R vs Porsche 911 Carrera S

evo’s latest signing, Tiff Needell, puts the 2012 Nissan GT-R and the brand new ’991’ Porsche 911 Carrera S against each other on track at the Bedford Autodrome in the UK. Against each other - and against the clock - which do you think will go quickest?