BMW 5 Series (2016) is 615 mm (24.21 inch) longer, 79 mm (3.11 inch) wider, 30 mm (1.18 inch) higher and has 219 liters (7.73 ft3) bigger cargo space than Mercedes A-Class (2019).
Mercedes A-Class (2019) is 445 kg (981 lbs) lighter than BMW 5 Series (2016).