BMW 3 Series (2014) is 31 mm (1.22 inch) higher and 258 kg (569 lbs) lighter than Mercedes E-Class (2018).
Mercedes E-Class (2018) is 255 mm (10.04 inch) longer, 261 mm (10.28 inch) wider and has 60 liters (2.12 ft3) bigger cargo space than BMW 3 Series (2014).