Mazda 3 (Sedan) (2020) is 54 mm (2.13 inch) longer, 5 mm (0.20 inch) wider and has 20 liters (0.71 ft3) bigger cargo space than Volkswagen Passat (2017).
Volkswagen Passat (2017) is 15 mm (0.59 inch) higher and 13 kg (29 lbs) lighter than Mazda 3 (Sedan) (2020).