BMW X6 (2019) is 525 mm (20.67 inch) longer, 170 mm (6.69 inch) wider, 85 mm (3.35 inch) higher and has 145 liters (5.12 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 776 kg (1,711 lbs) lighter than BMW X6 (2019).