Kia Optima Sportswagon (2015) is 4 mm (0.16 inch) wider and 50 kg (110 lbs) lighter than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 58 mm (2.28 inch) longer, 43 mm (1.69 inch) higher and has 7 liters (0.25 ft3) bigger cargo space than Kia Optima Sportswagon (2015).
