Alfa Romeo 4C (2018) is 11 mm (0.43 inch) wider and 472 kg (1,041 lbs) lighter than Opel Insignia Country Tourer (2015).
Opel Insignia Country Tourer (2015) is 925 mm (36.42 inch) longer, 327 mm (12.87 inch) higher and has 430 liters (15.19 ft3) bigger cargo space than Alfa Romeo 4C (2018).