Kia Optima (2015) is 199 mm (7.83 inch) longer, 82 mm (3.23 inch) wider, 12 mm (0.47 inch) higher and has 65 liters (2.30 ft3) bigger cargo space than Volkswagen Jetta (2015).
Volkswagen Jetta (2015) is 211 kg (465 lbs) lighter than Kia Optima (2015).
