Ford Grand C-Max (2015) is 214 mm (8.43 inch) higher, 222 kg (489 lbs) lighter and has 35 liters (1.24 ft3) bigger cargo space than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 335 mm (13.19 inch) longer and 32 mm (1.26 inch) wider than Ford Grand C-Max (2015).