INFINITI QX70 (2020) is 10 mm (0.39 inch) longer, 65 mm (2.56 inch) wider, 210 mm (8.27 inch) higher and has 559 liters (19.74 ft3) bigger cargo space than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 178 kg (392 lbs) lighter than INFINITI QX70 (2020).