Kia Optima (2020) is 997 mm (39.25 inch) longer, 133 mm (5.24 inch) wider, 55 mm (2.17 inch) higher and has 139 liters (4.91 ft3) bigger cargo space than MINI Hardtop 2 Door (2021).
MINI Hardtop 2 Door (2021) is 279 kg (615 lbs) lighter than Kia Optima (2020).