Rolls-Royce Cullinan (2020) is 170 mm (6.69 inch) wider, 188 mm (7.40 inch) higher and has 101 liters (3.57 ft3) bigger cargo space than Rolls-Royce Phantom (2014).
Rolls-Royce Phantom (2014) is 750 mm (29.53 inch) longer and 606 kg (1,336 lbs) lighter than Rolls-Royce Cullinan (2020).