Buick Regal Sportback (2018) is 940 mm (37.01 inch) longer, 178 mm (7.01 inch) wider, 30 mm (1.18 inch) higher and has 210 liters (7.42 ft3) bigger cargo space than MINI Cooper Clubman (2017).
MINI Cooper Clubman (2017) is 457 kg (1,008 lbs) lighter than Buick Regal Sportback (2018).