Audi S6 (2017) is 858 kg (1,892 lbs) lighter than Rolls-Royce Cullinan (2019).
Rolls-Royce Cullinan (2019) is 410 mm (16.14 inch) longer, 126 mm (4.96 inch) wider, 389 mm (15.31 inch) higher and has 161 liters (5.69 ft3) bigger cargo space than Audi S6 (2017).