Chevrolet Impala (2015) is 593 mm (23.35 inch) longer, 26 mm (1.02 inch) wider and has 58 liters (2.05 ft3) bigger cargo space than Ford Grand C-Max (2014).
Ford Grand C-Max (2014) is 188 mm (7.40 inch) higher and 231 kg (509 lbs) lighter than Chevrolet Impala (2015).