Hyundai Elantra GT (2017) is 1 mm (0.04 inch) higher and 396 kg (873 lbs) lighter than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 555 mm (21.85 inch) longer, 79 mm (3.11 inch) wider and has 32 liters (1.13 ft3) bigger cargo space than Hyundai Elantra GT (2017).