BMW 5 Series Gran Turismo (2018) is 363 mm (14.29 inch) longer, 71 mm (2.80 inch) wider, 13 mm (0.51 inch) higher and has 111 liters (3.92 ft3) bigger cargo space than Mazda 3 (Sedan) (2015).
Mazda 3 (Sedan) (2015) is 384 kg (847 lbs) lighter than BMW 5 Series Gran Turismo (2018).