Audi A8 (2018) is 1283 kg (2,829 lbs) lighter than Rolls-Royce Cullinan (2020).
Rolls-Royce Cullinan (2020) is 169 mm (6.65 inch) longer, 214 mm (8.43 inch) wider, 356 mm (14.02 inch) higher and has 55 liters (1.94 ft3) bigger cargo space than Audi A8 (2018).