Buick Regal Sportback (2020) is 10 mm (0.39 inch) longer, 46 mm (1.81 inch) wider, 106 kg (234 lbs) lighter and has 105 liters (3.71 ft3) bigger cargo space than Toyota Mirai (2019).
Toyota Mirai (2019) is 82 mm (3.23 inch) higher than Buick Regal Sportback (2020).
