BMW 7 Series (2018) is 243 mm (9.57 inch) longer, 42 mm (1.65 inch) wider, 8 mm (0.31 inch) higher and has 74 liters (2.61 ft3) bigger cargo space than Kia Optima Sportswagon (2018).
Kia Optima Sportswagon (2018) is 34 kg (75 lbs) lighter than BMW 7 Series (2018).
