Citroen C3 (2016) is 475 kg (1,047 lbs) lighter than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 917 mm (36.10 inch) longer, 107 mm (4.21 inch) wider, 43 mm (1.69 inch) higher and has 260 liters (9.18 ft3) bigger cargo space than Citroen C3 (2016).