BMW X7 (2018) is 734 mm (28.90 inch) longer, 196 mm (7.72 inch) wider, 311 mm (12.24 inch) higher and has 329 liters (11.62 ft3) bigger cargo space than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 1060 kg (2,337 lbs) lighter than BMW X7 (2018).