BMW X7 (2018) is 859 mm (33.82 inch) longer, 220 mm (8.66 inch) wider, 372 mm (14.65 inch) higher and has 409 liters (14.44 ft3) bigger cargo space than Mercedes A-Class (2014).
Mercedes A-Class (2014) is 1060 kg (2,337 lbs) lighter than BMW X7 (2018).