Kia Cadenza (2015) is 74 mm (2.91 inch) longer and 21 mm (0.83 inch) higher than Opel Insignia Grand Sport (2017).
Opel Insignia Grand Sport (2017) is 14 mm (0.55 inch) wider, 300 kg (661 lbs) lighter and has 40 liters (1.41 ft3) bigger cargo space than Kia Cadenza (2015).
