Alfa Romeo 4C (2019) is 71 mm (2.80 inch) wider and 338 kg (745 lbs) lighter than Mazda 6 Atenza (2020).
Mazda 6 Atenza (2020) is 406 mm (15.98 inch) longer, 381 mm (15.00 inch) higher and has 411 liters (14.51 ft3) bigger cargo space than Alfa Romeo 4C (2019).
