Mercedes C-Class (Estate) (2020) is 105 kg (231 lbs) lighter than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 227 mm (8.94 inch) longer, 46 mm (1.81 inch) wider, 71 mm (2.80 inch) higher and has 70 liters (2.47 ft3) bigger cargo space than Mercedes C-Class (Estate) (2020).