Buick Regal TourX (2018) is 114 mm (4.49 inch) longer, 10 mm (0.39 inch) wider, 5 mm (0.20 inch) higher and has 147 liters (5.19 ft3) bigger cargo space than Ford Fusion (2018).
Ford Fusion (2018) is 126 kg (278 lbs) lighter than Buick Regal TourX (2018).