Genesis G80 (2017) is 445 mm (17.52 inch) longer, 192 mm (7.56 inch) higher and has 83 liters (2.93 ft3) bigger cargo space than Mercedes AMG GT (2015).
Mercedes AMG GT (2015) is 49 mm (1.93 inch) wider and 301 kg (664 lbs) lighter than Genesis G80 (2017).