BMW 5 Series Gran Turismo (2018) is 533 mm (20.98 inch) longer, 33 mm (1.30 inch) wider and has 95 liters (3.35 ft3) bigger cargo space than Mercedes GLA-Class (2018).
Mercedes GLA-Class (2018) is 143 mm (5.63 inch) higher and 136 kg (300 lbs) lighter than BMW 5 Series Gran Turismo (2018).