Kia Optima (2019) is 857 mm (33.74 inch) longer, 133 mm (5.24 inch) wider, 45 mm (1.77 inch) higher and has 139 liters (4.91 ft3) bigger cargo space than MINI Hardtop 2 Door (2018).
MINI Hardtop 2 Door (2018) is 313 kg (690 lbs) lighter than Kia Optima (2019).