Alfa Romeo 4C (2015) is 238 kg (525 lbs) lighter than McLaren 570S (2016).
McLaren 570S (2016) is 542 mm (21.34 inch) longer, 63 mm (2.48 inch) wider, 18 mm (0.71 inch) higher and has 110 liters (3.88 ft3) bigger cargo space than Alfa Romeo 4C (2015).