BMW 5 Series Gran Turismo (2017) is 424 mm (16.69 inch) longer, 105 mm (4.13 inch) wider, 104 mm (4.09 inch) higher and has 81 liters (2.86 ft3) bigger cargo space than Mazda 3 (Sedan) (2015).
Mazda 3 (Sedan) (2015) is 600 kg (1,323 lbs) lighter than BMW 5 Series Gran Turismo (2017).