It's a matchup many have been waiting to see. Both the
Porsche 911 Carrera S and the
Nissan GT-R have their loyal followers and yet each one is unique in its own way. The GT-R is a front-engined, all-wheel drive supercar-killer while the 911 has always been famous for its butt-engined layout and standard rear-wheel-drive. In this latest episode of Motor Trend's Head to Head, host Carlos Lago gets behind the wheel of each car to point out their major differences - and their similarities.