BMW X6 (2019) is 518 mm (20.39 inch) longer, 200 mm (7.87 inch) wider, 202 mm (7.95 inch) higher and has 159 liters (5.62 ft3) bigger cargo space than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 944 kg (2,081 lbs) lighter than BMW X6 (2019).