Kia Optima (2016) is 860 mm (33.86 inch) longer, 166 mm (6.54 inch) wider, 20 mm (0.79 inch) higher and has 250 liters (8.83 ft3) bigger cargo space than Toyota Prius C (2017).
Toyota Prius C (2017) is 456 kg (1,005 lbs) lighter than Kia Optima (2016).
