BMW 5 Series Touring (2016) is 132 mm (5.20 inch) longer, 61 mm (2.40 inch) wider, 107 mm (4.21 inch) higher and has 80 liters (2.83 ft3) bigger cargo space than Mazda 6 (2015).
Mazda 6 (2015) is 573 kg (1,263 lbs) lighter than BMW 5 Series Touring (2016).