Audi RS 5 (2017) is 130 mm (5.12 inch) wider and 460 kg (1,014 lbs) lighter than Mercedes S-Class (2019).
Mercedes S-Class (2019) is 523 mm (20.59 inch) longer, 118 mm (4.65 inch) higher and has 36 liters (1.27 ft3) bigger cargo space than Audi RS 5 (2017).
