Audi S8 (2014) has 52 liters (1.84 ft3) bigger cargo space than Rolls-Royce Phantom (2017).
Rolls-Royce Phantom (2017) is 695 mm (27.36 inch) longer, 41 mm (1.61 inch) wider, 170 mm (6.69 inch) higher and 345 kg (761 lbs) lighter than Audi S8 (2014).