BMW 8 Series (G14) (2020) is 42 mm (1.65 inch) wider than Kia Optima (2015).
Kia Optima (2015) is 21 mm (0.83 inch) longer, 126 mm (4.96 inch) higher, 388 kg (855 lbs) lighter and has 160 liters (5.65 ft3) bigger cargo space than BMW 8 Series (G14) (2020).
