BMW X4 (2020) is 691 kg (1,523 lbs) lighter than Rolls-Royce Cullinan (2019).
Rolls-Royce Cullinan (2019) is 583 mm (22.95 inch) longer, 73 mm (2.87 inch) wider, 211 mm (8.31 inch) higher and has 35 liters (1.24 ft3) bigger cargo space than BMW X4 (2020).