Alfa Romeo Giulia (2018) is 19 mm (0.75 inch) wider and 396 kg (873 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 236 mm (9.29 inch) longer, 7 mm (0.28 inch) higher and has 90 liters (3.18 ft3) bigger cargo space than Alfa Romeo Giulia (2018).