Kia Niro EV (2019) is 90 mm (3.54 inch) higher, 103 kg (227 lbs) lighter and has 84 liters (2.97 ft3) bigger cargo space than Kia Optima Sportswagon (2020).
Kia Optima Sportswagon (2020) is 481 mm (18.94 inch) longer and 34 mm (1.34 inch) wider than Kia Niro EV (2019).