Chevrolet Spark (2020) is 79 mm (3.11 inch) higher and 531 kg (1,171 lbs) lighter than Kia Optima (2017).
Kia Optima (2017) is 1180 mm (46.46 inch) longer, 262 mm (10.31 inch) wider and has 187 liters (6.60 ft3) bigger cargo space than Chevrolet Spark (2020).