BMW 5 Series Gran Turismo (2015) is 426 mm (16.77 inch) longer, 104 mm (4.09 inch) wider, 104 mm (4.09 inch) higher and has 81 liters (2.86 ft3) bigger cargo space than Mazda 3 (Sedan) (2016).
Mazda 3 (Sedan) (2016) is 815 kg (1,797 lbs) lighter than BMW 5 Series Gran Turismo (2015).