BMW 5 Series Touring (2020) is 731 mm (28.78 inch) longer, 127 mm (5.00 inch) wider and has 63 liters (2.22 ft3) bigger cargo space than Mazda 6 Atenza (2014).
Mazda 6 Atenza (2014) is 150 mm (5.91 inch) higher and 627 kg (1,382 lbs) lighter than BMW 5 Series Touring (2020).