BMW 5 Series Gran Turismo (2018) is 483 mm (19.02 inch) longer, 71 mm (2.80 inch) wider, 13 mm (0.51 inch) higher and has 166 liters (5.86 ft3) bigger cargo space than Mazda 3 (Hatchback) (2015).
Mazda 3 (Hatchback) (2015) is 395 kg (871 lbs) lighter than BMW 5 Series Gran Turismo (2018).