BMW 7 Series (2019) is 696 mm (27.40 inch) longer, 98 mm (3.86 inch) wider and has 94 liters (3.32 ft3) bigger cargo space than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 27 mm (1.06 inch) higher and 580 kg (1,279 lbs) lighter than BMW 7 Series (2019).