Nissan GT-R (2016) is 39 mm (1.54 inch) wider than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 242 mm (9.53 inch) longer, 144 mm (5.67 inch) higher, 215 kg (474 lbs) lighter and has 245 liters (8.65 ft3) bigger cargo space than Nissan GT-R (2016).