BMW 5 Series Gran Turismo (2017) is 425 mm (16.73 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) (2014).
Mazda 3 (Sedan) (2014) is 615 kg (1,356 lbs) lighter than BMW 5 Series Gran Turismo (2017).