BMW 5 Series Gran Turismo (2016) is 594 mm (23.39 inch) longer, 67 mm (2.64 inch) wider and has 65 liters (2.30 ft3) bigger cargo space than Mercedes GLA-Class (2020).
Mercedes GLA-Class (2020) is 52 mm (2.05 inch) higher and 352 kg (776 lbs) lighter than BMW 5 Series Gran Turismo (2016).