Kia Optima Sportswagon (2015) is 343 mm (13.50 inch) longer, 267 mm (10.51 inch) higher and has 409 liters (14.44 ft3) bigger cargo space than McLaren 650S Coupe (2015).
McLaren 650S Coupe (2015) is 233 mm (9.17 inch) wider and 82 kg (181 lbs) lighter than Kia Optima Sportswagon (2015).