BMW X3 (2017) is 1515 kg (3,340 lbs) lighter than Rolls-Royce Cullinan (2020).
Rolls-Royce Cullinan (2020) is 625 mm (24.61 inch) longer, 172 mm (6.77 inch) wider, 153 mm (6.02 inch) higher and has 10 liters (0.35 ft3) bigger cargo space than BMW X3 (2017).