BMW 4 Series (2013) is 1715 kg (3,781 lbs) lighter than Rolls-Royce Cullinan (2020).
Rolls-Royce Cullinan (2020) is 703 mm (27.68 inch) longer, 334 mm (13.15 inch) wider, 467 mm (18.39 inch) higher and has 115 liters (4.06 ft3) bigger cargo space than BMW 4 Series (2013).