Audi S8 (2016) has 46 liters (1.62 ft3) bigger cargo space than Rolls-Royce Phantom (2014).
Rolls-Royce Phantom (2014) is 944 mm (37.17 inch) longer, 40 mm (1.57 inch) wider, 173 mm (6.81 inch) higher and 300 kg (661 lbs) lighter than Audi S8 (2016).