Buick Regal Sportback (2018) is 380 mm (14.96 inch) longer and 34 mm (1.34 inch) wider than Ford Grand C-Max (2014).
Ford Grand C-Max (2014) is 229 mm (9.02 inch) higher, 249 kg (549 lbs) lighter and has 5 liters (0.18 ft3) bigger cargo space than Buick Regal Sportback (2018).