Alfa Romeo 4C (2015) is 10 mm (0.39 inch) wider and 590 kg (1,301 lbs) lighter than Buick LaCrosse (2014).
Buick LaCrosse (2014) is 1013 mm (39.88 inch) longer, 320 mm (12.60 inch) higher and has 196 liters (6.92 ft3) bigger cargo space than Alfa Romeo 4C (2015).