Alfa Romeo Giulia (2018) is 16 mm (0.63 inch) wider, 220 kg (485 lbs) lighter and has 144 liters (5.09 ft3) bigger cargo space than Buick LaCrosse (2015).
Buick LaCrosse (2015) is 358 mm (14.09 inch) longer and 68 mm (2.68 inch) higher than Alfa Romeo Giulia (2018).