BMW 5 Series Gran Turismo (2019) is 79 mm (3.11 inch) longer, 28 mm (1.10 inch) wider, 28 mm (1.10 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than Mazda 6 (2014).
Mazda 6 (2014) is 315 kg (694 lbs) lighter than BMW 5 Series Gran Turismo (2019).