Kia Optima Sportswagon (2020) is 1474 kg (3,250 lbs) lighter than Rolls-Royce Cullinan (2020).
Rolls-Royce Cullinan (2020) is 486 mm (19.13 inch) longer, 299 mm (11.77 inch) wider, 359 mm (14.13 inch) higher and has 120 liters (4.24 ft3) bigger cargo space than Kia Optima Sportswagon (2020).