Kia Optima Sportswagon (2017) is 165 mm (6.50 inch) longer, 100 mm (3.94 inch) higher, 10 kg (22 lbs) lighter and has 125 liters (4.41 ft3) bigger cargo space than Nissan GT-R (2019).
Nissan GT-R (2019) is 35 mm (1.38 inch) wider than Kia Optima Sportswagon (2017).