BMW 5 Series Gran Turismo (2018) is 282 mm (11.10 inch) longer, 71 mm (2.80 inch) wider, 23 mm (0.91 inch) higher and has 111 liters (3.92 ft3) bigger cargo space than Mazda 3 (Sedan) (2018).
Mazda 3 (Sedan) (2018) is 306 kg (675 lbs) lighter than BMW 5 Series Gran Turismo (2018).