Audi S6 (2018) is 1405 kg (3,097 lbs) lighter than Rolls-Royce Cullinan (2020).
Rolls-Royce Cullinan (2020) is 410 mm (16.14 inch) longer, 285 mm (11.22 inch) wider, 389 mm (15.31 inch) higher and has 161 liters (5.69 ft3) bigger cargo space than Audi S6 (2018).