BMW 5 Series (2020) is 313 mm (12.32 inch) longer, 89 mm (3.50 inch) wider, 40 mm (1.57 inch) higher and has 60 liters (2.12 ft3) bigger cargo space than Mercedes CLA-Class (2014).
Mercedes CLA-Class (2014) is 199 kg (439 lbs) lighter than BMW 5 Series (2020).