BMW 6 Series Gran Coupe (2019) is 615 mm (24.21 inch) longer and 99 mm (3.90 inch) wider than Mazda 6 Atenza (2020).
Mazda 6 Atenza (2020) is 175 mm (6.89 inch) higher, 435 kg (959 lbs) lighter and has 62 liters (2.19 ft3) bigger cargo space than BMW 6 Series Gran Coupe (2019).
