BMW 5 Series Touring (2018) is 596 mm (23.46 inch) longer, 61 mm (2.40 inch) wider and has 135 liters (4.77 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 46 mm (1.81 inch) higher and 338 kg (745 lbs) lighter than BMW 5 Series Touring (2018).