Mercedes B-Class (2014) is 179 mm (7.05 inch) higher, 745 kg (1,642 lbs) lighter and has 121 liters (4.27 ft3) bigger cargo space than Porsche Taycan (2019).
Porsche Taycan (2019) is 570 mm (22.44 inch) longer and 180 mm (7.09 inch) wider than Mercedes B-Class (2014).