Nissan Sylphy (2016) is 330 kg (728 lbs) lighter than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 282 mm (11.10 inch) longer, 96 mm (3.78 inch) wider, 10 mm (0.39 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than Nissan Sylphy (2016).