Chevrolet Impala Limited (2016) is 956 mm (37.64 inch) longer, 35 mm (1.38 inch) wider, 188 mm (7.40 inch) higher and has 192 liters (6.78 ft3) bigger cargo space than Mercedes SLK-Class (2017).
Mercedes SLK-Class (2017) is 158 kg (348 lbs) lighter than Chevrolet Impala Limited (2016).