Mazda 3 (Sedan) (2017) is 406 mm (15.98 inch) longer, 129 mm (5.08 inch) higher, 190 kg (419 lbs) lighter and has 184 liters (6.50 ft3) bigger cargo space than Nissan 370Z (2014).
Nissan 370Z (2014) is 48 mm (1.89 inch) wider than Mazda 3 (Sedan) (2017).
