Kia Optima (2015) is 1255 mm (49.41 inch) longer, 260 mm (10.24 inch) wider and has 256 liters (9.04 ft3) bigger cargo space than Suzuki Celerio (2014).
Suzuki Celerio (2014) is 65 mm (2.56 inch) higher and 665 kg (1,466 lbs) lighter than Kia Optima (2015).