BMW 7 Series (2020) is 703 mm (27.68 inch) longer, 98 mm (3.86 inch) wider and has 94 liters (3.32 ft3) bigger cargo space than Mercedes GLA-Class (2014).
Mercedes GLA-Class (2014) is 27 mm (1.06 inch) higher and 620 kg (1,367 lbs) lighter than BMW 7 Series (2020).