Chevrolet Impala Limited (2016) is 248 mm (9.76 inch) longer and 45 kg (99 lbs) lighter than Opel Insignia (2017).
Opel Insignia (2017) is 232 mm (9.13 inch) wider, 7 mm (0.28 inch) higher and has 13 liters (0.46 ft3) bigger cargo space than Chevrolet Impala Limited (2016).
