BMW 6 Series Gran Coupe (2016) is 734 mm (28.90 inch) longer and 127 mm (5.00 inch) wider than Mazda 6 Atenza (2017).
Mazda 6 Atenza (2017) is 150 mm (5.91 inch) higher, 706 kg (1,556 lbs) lighter and has 62 liters (2.19 ft3) bigger cargo space than BMW 6 Series Gran Coupe (2016).
