Buick Regal Sportback (2018) is 491 mm (19.33 inch) longer, 33 mm (1.30 inch) wider, 27 kg (60 lbs) lighter and has 38 liters (1.34 ft3) bigger cargo space than Ford C-Max Energi (2020).
Ford C-Max Energi (2020) is 168 mm (6.61 inch) higher than Buick Regal Sportback (2018).