Audi S8 (2014) has 111 liters (3.92 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2016).
Rolls-Royce Phantom Coupe (2016) is 464 mm (18.27 inch) longer, 37 mm (1.46 inch) wider, 130 mm (5.12 inch) higher and 414 kg (913 lbs) lighter than Audi S8 (2014).