Alfa Romeo 4C (2015) is 783 kg (1,726 lbs) lighter than BMW 6 Series Gran Coupe (2017).
BMW 6 Series Gran Coupe (2017) 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).
