Audi RS 5 (2018) is 685 kg (1,510 lbs) lighter than Rolls-Royce Ghost (2019).
Rolls-Royce Ghost (2019) is 816 mm (32.13 inch) longer, 94 mm (3.70 inch) wider, 180 mm (7.09 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than Audi RS 5 (2018).
