Ferrari Portofino (2020) is 167 mm (6.57 inch) longer and 142 mm (5.59 inch) wider than Mercedes B-Class (2020).
Mercedes B-Class (2020) is 244 mm (9.61 inch) higher, 39 kg (86 lbs) lighter and has 113 liters (3.99 ft3) bigger cargo space than Ferrari Portofino (2020).