Kia Stinger (2020) is 13 mm (0.51 inch) wider than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 77 mm (3.03 inch) longer, 113 mm (4.45 inch) higher, 38 kg (84 lbs) lighter and has 154 liters (5.44 ft3) bigger cargo space than Kia Stinger (2020).