Chevrolet Spark EV (2015) is 125 mm (4.92 inch) higher and 245 kg (540 lbs) lighter than Kia Optima (2015).
Kia Optima (2015) is 1134 mm (44.65 inch) longer, 234 mm (9.21 inch) wider and has 238 liters (8.40 ft3) bigger cargo space than Chevrolet Spark EV (2015).