Audi A8 (2017) is 736 kg (1,623 lbs) lighter than Rolls-Royce Cullinan (2019).
Rolls-Royce Cullinan (2019) is 169 mm (6.65 inch) longer, 55 mm (2.17 inch) wider, 356 mm (14.02 inch) higher and has 55 liters (1.94 ft3) bigger cargo space than Audi A8 (2017).