BMW 5 Series Gran Turismo (2017) is 1 mm (0.04 inch) wider, 73 mm (2.87 inch) higher, 70 kg (154 lbs) lighter and has 50 liters (1.77 ft3) bigger cargo space than Kia K900 (2016).
Kia K900 (2016) is 91 mm (3.58 inch) longer than BMW 5 Series Gran Turismo (2017).