Kia Optima Sportswagon (2018) is 4 mm (0.16 inch) wider than Opel Insignia Country Tourer (2015).
Opel Insignia Country Tourer (2015) is 58 mm (2.28 inch) longer, 43 mm (1.69 inch) higher, 226 kg (498 lbs) lighter and has 100 liters (3.53 ft3) bigger cargo space than Kia Optima Sportswagon (2018).