BMW 5 Series (2014) is 589 mm (23.19 inch) longer, 66 mm (2.60 inch) wider and has 4 liters (0.14 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 51 mm (2.01 inch) higher and 237 kg (522 lbs) lighter than BMW 5 Series (2014).