BMW X6 (2018) is 631 mm (24.84 inch) longer, 209 mm (8.23 inch) wider, 269 mm (10.59 inch) higher and has 239 liters (8.44 ft3) bigger cargo space than Mercedes A-Class (2016).
Mercedes A-Class (2016) is 685 kg (1,510 lbs) lighter than BMW X6 (2018).