BMW X6 (2018) is 499 mm (19.65 inch) longer, 185 mm (7.28 inch) wider, 208 mm (8.19 inch) higher and has 159 liters (5.62 ft3) bigger cargo space than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 685 kg (1,510 lbs) lighter than BMW X6 (2018).