Kia Optima Sportswagon (2015) is 365 mm (14.37 inch) longer, 130 mm (5.12 inch) wider and has 43 liters (1.52 ft3) bigger cargo space than Suzuki Ciaz (2017).
Suzuki Ciaz (2017) is 15 mm (0.59 inch) higher and 510 kg (1,124 lbs) lighter than Kia Optima Sportswagon (2015).