Nissan GT-R (2014) is 279 mm (10.98 inch) longer, 94 mm (3.70 inch) wider, 74 mm (2.91 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Porsche 718 Cayman (2017).
Porsche 718 Cayman (2017) is 374 kg (825 lbs) lighter than Nissan GT-R (2014).