BMW X4 (2015) is 943 kg (2,079 lbs) lighter than Rolls-Royce Cullinan (2019).
Rolls-Royce Cullinan (2019) is 670 mm (26.38 inch) longer, 119 mm (4.69 inch) wider, 205 mm (8.07 inch) higher and has 60 liters (2.12 ft3) bigger cargo space than BMW X4 (2015).