BMW 5 Series Gran Turismo (2015) is 376 mm (14.80 inch) longer, 122 mm (4.80 inch) wider, 121 mm (4.76 inch) higher and has 30 liters (1.06 ft3) bigger cargo space than Mercedes CLA-Class (2017).
Mercedes CLA-Class (2017) is 645 kg (1,422 lbs) lighter than BMW 5 Series Gran Turismo (2015).