BMW 7 Series (2014) is 681 mm (26.81 inch) longer, 98 mm (3.86 inch) wider and has 94 liters (3.32 ft3) bigger cargo space than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 16 mm (0.63 inch) higher and 405 kg (893 lbs) lighter than BMW 7 Series (2014).