Audi RS 5 (2017) is 42 mm (1.65 inch) wider, 905 kg (1,995 lbs) lighter and has 150 liters (5.30 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 890 mm (35.04 inch) longer and 226 mm (8.90 inch) higher than Audi RS 5 (2017).