Nissan GT-R (2018) is 39 mm (1.54 inch) wider than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 223 mm (8.78 inch) longer, 143 mm (5.63 inch) higher, 125 kg (276 lbs) lighter and has 245 liters (8.65 ft3) bigger cargo space than Nissan GT-R (2018).