BMW X4 (2014) is 1490 kg (3,285 lbs) lighter than Rolls-Royce Cullinan (2020).
Rolls-Royce Cullinan (2020) is 670 mm (26.38 inch) longer, 278 mm (10.94 inch) wider, 205 mm (8.07 inch) higher and has 60 liters (2.12 ft3) bigger cargo space than BMW X4 (2014).