Genesis G80 (2020) is 26 mm (1.02 inch) wider and 350 kg (772 lbs) lighter than Mercedes S-Class (2015).
Mercedes S-Class (2015) is 249 mm (9.80 inch) longer, 24 mm (0.94 inch) higher and has 129 liters (4.56 ft3) bigger cargo space than Genesis G80 (2020).