Kia Pro Ceed (2017) is 179 mm (7.05 inch) wider and 399 kg (880 lbs) lighter than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 603 mm (23.74 inch) longer, 43 mm (1.69 inch) higher and has 180 liters (6.36 ft3) bigger cargo space than Kia Pro Ceed (2017).