Alfa Romeo 4C (2015) is 203 mm (7.99 inch) wider and 1202 kg (2,650 lbs) lighter than Bentley Continental Supersports (2014).
Bentley Continental Supersports (2014) is 818 mm (32.20 inch) longer, 221 mm (8.70 inch) higher and has 247 liters (8.72 ft3) bigger cargo space than Alfa Romeo 4C (2015).