Alfa Romeo 4C (2019) is 10 mm (0.39 inch) wider and 639 kg (1,409 lbs) lighter than Buick LaCrosse (2016).
Buick LaCrosse (2016) is 1013 mm (39.88 inch) longer, 318 mm (12.52 inch) higher and has 267 liters (9.43 ft3) bigger cargo space than Alfa Romeo 4C (2019).