BMW 5 Series (2016) is 490 mm (19.29 inch) longer, 55 mm (2.17 inch) wider and has 139 liters (4.91 ft3) bigger cargo space than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 31 mm (1.22 inch) higher and 445 kg (981 lbs) lighter than BMW 5 Series (2016).