Alfa Romeo Giulia (2019) is 13 mm (0.51 inch) wider and 66 kg (146 lbs) lighter than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 212 mm (8.35 inch) longer, 34 mm (1.34 inch) higher and has 103 liters (3.64 ft3) bigger cargo space than Alfa Romeo Giulia (2019).