BMW 8 Series (G15) (2020) is 42 mm (1.65 inch) wider than Kia Optima (2016).
Kia Optima (2016) is 12 mm (0.47 inch) longer, 124 mm (4.88 inch) higher, 234 kg (516 lbs) lighter and has 90 liters (3.18 ft3) bigger cargo space than BMW 8 Series (G15) (2020).
