Kia Optima (2016) is 895 mm (35.24 inch) longer, 176 mm (6.93 inch) wider, 40 mm (1.57 inch) higher and has 250 liters (8.83 ft3) bigger cargo space than MINI Cooper Clubman (2017).
MINI Cooper Clubman (2017) is 305 kg (672 lbs) lighter than Kia Optima (2016).