FIAT 500 (2014) is 660 kg (1,455 lbs) lighter than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 1363 mm (53.66 inch) longer, 229 mm (9.02 inch) wider, 25 mm (0.98 inch) higher and has 375 liters (13.24 ft3) bigger cargo space than FIAT 500 (2014).