BMW 5 Series Touring (2018) is 731 mm (28.78 inch) longer, 127 mm (5.00 inch) wider, 23 mm (0.91 inch) higher and has 49 liters (1.73 ft3) bigger cargo space than Mazda 6 Atenza (2016).
Mazda 6 Atenza (2016) is 627 kg (1,382 lbs) lighter than BMW 5 Series Touring (2018).