BMW 7 Series (2018) is 219 mm (8.62 inch) longer, 48 mm (1.89 inch) wider, 35 mm (1.38 inch) higher and 20 kg (44 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) has 26 liters (0.92 ft3) bigger cargo space than BMW 7 Series (2018).