Alfa Romeo Giulia (2019) is 19 mm (0.75 inch) wider and 240 kg (529 lbs) lighter than Chevrolet Impala (2015).
Chevrolet Impala (2015) is 470 mm (18.50 inch) longer, 60 mm (2.36 inch) higher and has 83 liters (2.93 ft3) bigger cargo space than Alfa Romeo Giulia (2019).