Kia Optima (2018) is 325 mm (12.80 inch) longer, 268 mm (10.55 inch) higher and has 290 liters (10.24 ft3) bigger cargo space than McLaren 570S (2016).
McLaren 570S (2016) is 70 mm (2.76 inch) wider and 204 kg (450 lbs) lighter than Kia Optima (2018).