Chevrolet Impala (2016) is 271 mm (10.67 inch) longer than Opel Insignia (2015).
Opel Insignia (2015) is 230 mm (9.06 inch) wider, 2 mm (0.08 inch) higher, 66 kg (146 lbs) lighter and has 7 liters (0.25 ft3) bigger cargo space than Chevrolet Impala (2016).
