BMW 5 Series Gran Turismo (2015) is 546 mm (21.50 inch) longer, 104 mm (4.09 inch) wider, 104 mm (4.09 inch) higher and has 136 liters (4.80 ft3) bigger cargo space than Mazda 3 (Hatchback) (2015).
Mazda 3 (Hatchback) (2015) is 826 kg (1,821 lbs) lighter than BMW 5 Series Gran Turismo (2015).