BMW X5 (2015) is 470 mm (18.50 inch) longer, 151 mm (5.94 inch) wider, 143 mm (5.63 inch) higher and has 215 liters (7.59 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 787 kg (1,735 lbs) lighter than BMW X5 (2015).