Mercedes B-Class (2020) is 560 kg (1,235 lbs) lighter than Porsche Cayenne (2021).
Porsche Cayenne (2021) is 436 mm (17.17 inch) longer, 158 mm (6.22 inch) wider, 126 mm (4.96 inch) higher and has 265 liters (9.36 ft3) bigger cargo space than Mercedes B-Class (2020).