Ferrari Portofino (2020) is 40 mm (1.57 inch) longer and 29 mm (1.14 inch) higher than Mercedes AMG GT (2014).
Mercedes AMG GT (2014) is 1 mm (0.04 inch) wider, 19 kg (42 lbs) lighter and has 58 liters (2.05 ft3) bigger cargo space than Ferrari Portofino (2020).