BMW 7 Series (2017) is 219 mm (8.62 inch) longer, 48 mm (1.89 inch) wider, 35 mm (1.38 inch) higher and 80 kg (176 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) has 25 liters (0.88 ft3) bigger cargo space than BMW 7 Series (2017).