Kia Optima Sportswagon (2015) is 13 mm (0.51 inch) longer, 108 kg (238 lbs) lighter and has 13 liters (0.46 ft3) bigger cargo space than Opel Insignia (2017).
Opel Insignia (2017) is 224 mm (8.82 inch) wider and 28 mm (1.10 inch) higher than Kia Optima Sportswagon (2015).
