Chevrolet Impala (2017) is 87 mm (3.43 inch) longer, 82 mm (3.23 inch) higher, 226 kg (498 lbs) lighter and has 133 liters (4.70 ft3) bigger cargo space than Mercedes S-Class Coupe (2016).
Mercedes S-Class Coupe (2016) is 43 mm (1.69 inch) wider than Chevrolet Impala (2017).