Buick Regal TourX (2019) is 466 mm (18.35 inch) longer, 34 mm (1.34 inch) wider and has 125 liters (4.41 ft3) bigger cargo space than Ford Grand C-Max (2020).
Ford Grand C-Max (2020) is 201 mm (7.91 inch) higher and 189 kg (417 lbs) lighter than Buick Regal TourX (2019).