Kia Optima Sportswagon (2017) is 489 mm (19.25 inch) longer, 95 mm (3.74 inch) wider and has 10 liters (0.35 ft3) bigger cargo space than Toyota Matrix (2018).
Toyota Matrix (2018) is 79 mm (3.11 inch) higher and 425 kg (937 lbs) lighter than Kia Optima Sportswagon (2017).
