Mazda BT-50 (2020) is 972 mm (38.27 inch) longer, 264 mm (10.39 inch) higher and has 671 liters (23.70 ft3) bigger cargo space than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 83 mm (3.27 inch) wider and 700 kg (1,543 lbs) lighter than Mazda BT-50 (2020).