Chevrolet Impala Limited (2015) is 500 mm (19.69 inch) longer, 137 mm (5.39 inch) wider, 21 mm (0.83 inch) higher and has 107 liters (3.78 ft3) bigger cargo space than Honda Civic (2021).
Honda Civic (2021) is 196 kg (432 lbs) lighter than Chevrolet Impala Limited (2015).
