Alfa Romeo 4C (2015) is 843 kg (1,858 lbs) lighter than Mazda CX-9 (2017).
Mazda CX-9 (2017) is 1118 mm (44.02 inch) longer, 69 mm (2.72 inch) wider, 544 mm (21.42 inch) higher and has 971 liters (34.29 ft3) bigger cargo space than Alfa Romeo 4C (2015).