Kia Forte (Hatchback) (2017) is 232 kg (511 lbs) lighter than Kia Optima (2017).
Kia Optima (2017) is 504 mm (19.84 inch) longer, 79 mm (3.11 inch) wider, 20 mm (0.79 inch) higher and has 82 liters (2.90 ft3) bigger cargo space than Kia Forte (Hatchback) (2017).