BMW 4 Series (2020) is 280 kg (617 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 111 mm (4.37 inch) longer, 2 mm (0.08 inch) wider, 60 mm (2.36 inch) higher and has 100 liters (3.53 ft3) bigger cargo space than BMW 4 Series (2020).