Kia Pro Ceed (2017) is 457 kg (1,008 lbs) lighter than Opel Insignia (2015).
Opel Insignia (2015) is 532 mm (20.94 inch) longer, 49 mm (1.93 inch) wider, 28 mm (1.10 inch) higher and has 160 liters (5.65 ft3) bigger cargo space than Kia Pro Ceed (2017).