INFINITI QX50 (2018) is 237 mm (9.33 inch) longer, 17 mm (0.67 inch) wider, 15 mm (0.59 inch) higher and has 41 liters (1.45 ft3) bigger cargo space than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 427 kg (941 lbs) lighter than INFINITI QX50 (2018).