Buick Regal TourX (2020) is 11 mm (0.43 inch) longer, 13 mm (0.51 inch) higher, 166 kg (366 lbs) lighter and has 235 liters (8.30 ft3) bigger cargo space than Toyota Mirai (2020).
Toyota Mirai (2020) is 23 mm (0.91 inch) wider than Buick Regal TourX (2020).
