BMW 6 Series Gran Coupe (2016) is 34 mm (1.34 inch) longer, 10 mm (0.39 inch) wider and has 94 liters (3.32 ft3) bigger cargo space than Toyota Mirai (2020).
Toyota Mirai (2020) is 78 mm (3.07 inch) higher and 132 kg (291 lbs) lighter than BMW 6 Series Gran Coupe (2016).
