Alfa Romeo Giulia (2019) is 415 mm (16.34 inch) longer, 63 mm (2.48 inch) wider and has 70 liters (2.47 ft3) bigger cargo space than Seat Leon SC (2014).
Seat Leon SC (2014) is 10 mm (0.39 inch) higher and 295 kg (650 lbs) lighter than Alfa Romeo Giulia (2019).