Alfa Romeo 4C (2015) is 862 kg (1,900 lbs) lighter than BMW 6 Series Gran Coupe (2016).
BMW 6 Series Gran Coupe (2016) is 1021 mm (40.20 inch) longer, 28 mm (1.10 inch) wider, 208 mm (8.19 inch) higher and has 349 liters (12.32 ft3) bigger cargo space than Alfa Romeo 4C (2015).
