BMW 5 Series Gran Turismo (2017) is 544 mm (21.42 inch) longer, 105 mm (4.13 inch) wider, 119 mm (4.69 inch) higher and has 136 liters (4.80 ft3) bigger cargo space than Mazda 3 (Hatchback) (2017).
Mazda 3 (Hatchback) (2017) is 655 kg (1,444 lbs) lighter than BMW 5 Series Gran Turismo (2017).