BMW 8 Series (G16) (2019) is 203 mm (7.99 inch) longer and 9 mm (0.35 inch) higher than Mercedes E-Class (2016).
Mercedes E-Class (2016) is 139 mm (5.47 inch) wider, 71 kg (157 lbs) lighter and has 100 liters (3.53 ft3) bigger cargo space than BMW 8 Series (G16) (2019).