BMW 5 Series (2018) is 533 mm (20.98 inch) longer, 33 mm (1.30 inch) wider and has 134 liters (4.73 ft3) bigger cargo space than Mercedes GLA-Class (2020).
Mercedes GLA-Class (2020) is 112 mm (4.41 inch) higher and 152 kg (335 lbs) lighter than BMW 5 Series (2018).